List of Historic Civil Engineering Landmarks

In the list of historical milestones in civil engineering , English List of Historic Civil Engineering Landmarks , the milestones of civil engineering designated by the American Society of Civil Engineers (ASCE) are listed. The project, identifying the milestones began in 1964. The award is given to projects, buildings and places in the United States as a National Historic Civil Engineering Landmarks (German National Historic civil engineering milestones ), and in the rest of the world as International Historic Civil Engineering Landmarks German ( International historical engineering milestones ). In 2013, more than 250 architectural monuments were included in the list. The milestones identified by the local sections of the ASCE at the individual US state level or at the local level are not listed here.

reference number	Year of admission	Names	image	Construction year	place	Region / State	country	category
1	1966	Bollman Bridge		1869	Savage	Maryland	United States	bridges
2	1967	Bidwell Bar Bridge		1856	Oroville	California	United States	bridges
3	1967	Eriekanal		1825	From the Hudson River to Lake Erie	new York	United States	shipping
4th	1967	Middlesex Canal		1803	Middlesex County	Massachusetts	United States	shipping
5	1968	Central Pacific Railroad		1863-1869	Sacramento eastwards	California	United States	Roads and railways
6th	1968	Durango-Silverton Branch of the D & RGW RR		1882	Durango	Colorado	United States	Roads and railways
7th	1968	Ellicott Stone		1799	mobile	Alabama	United States	Limits & Surveying
8th	1968	Acequias from San Antonio		1718	San Antonio	Texas	United States	Water supply & flood protection
9	1968	Merger of the transcontinental railroad		1869	Promontory Summit	Utah	United States	Roads and railways
10	1968	Wheeling Suspension Bridge		1849	Wheeling	West Virginia	United States	bridges
11	1969	Alvord Lake Bridge		1889	San Francisco	California	United States	bridges
12	1969	Charleston - Hamburg Railroad		1833	Charleston	South carolina	United States	Roads and railways
13	1970	Ascutney Mill Dam		1834	Windsor	Vermont	United States	Dams
14th	1970	Bridgeport Covered Bridge		1862	Nevada County	California	United States	bridges
15th	1970	Cornish – Windsor Covered Bridge		1866, rebuilt in 1988	Windsor to Cornish	Vermont and New Hampshire	United States	bridges
16	1970	Frankford Avenue Bridge		1697	Philadelphia	Pennsylvania	United States	bridges
17th	1970	Potowmack Canal and locks		1799	Great Falls	Virginia	United States	shipping
18th	1970	Theodore Roosevelt Dam & Salt River Project		1911		Arizona	United States	Water supply & flood protection
19th	1970	Union Canal Tunnel		1828	Lebanon	Pennsylvania	United States	shipping
20th	1971	Bethlehem waterworks		1761	Bethlehem	Pennsylvania	United States	Water supply & flood protection
21st	1971	Druid Lake Dam		1871	Baltimore	Maryland	United States	Dams
22nd	1971	Eads Bridge		1874	St. Louis	Missouri	United States	bridges
23	1971	First Owens River - Los Angeles Aqueduct		1913	Owens Valley	California	United States	Water supply & flood protection
24	1971	Salt Lake Tabernacle		1867	Salt Lake City	Utah	United States	building
25th	1972	Cabin John Aqueduct		1863	Cabin John	Maryland	United States	Water supply & flood protection
26th	1972	Chesbroughs Water Supply Chicago		1869	Chicago	Illinois	United States	Water supply & flood protection
27	1972	Brooklyn Bridge		1883	New York City	new York	United States	bridges
28	1972	Gunnison tunnel		1909	Montrose	Colorado	United States	tunnel
29	1972	Roebling's Delaware Aqueduct of the Delaware & Hudson Canals		1848, restored 1983	from Lackawaxen to Minisink Ford	Pennsylvania & New York	United States	shipping
30th	1972	Miami Water Management District		1922	near Dayton	Ohio	United States	Water supply & flood protection
31	1973	Buffalo Bill Dam		1910	Cody	Wyoming	United States	Dams
32	1973	Cheesman Reservoir		1905	Southwest of Denver	Colorado	United States	Dams
33	1973	Level measurements Embudo		1889	Embudo	New Mexico	United States	Water supply & flood protection
34	1973	Ingalls Building		1903	Cincinnati	Ohio	United States	building
35	1973	Pelton turbine		1878	Camptonville	California	United States	Electricity production
36	1973	Starrucca Viaduct		1848	Lanesboro	Pennsylvania	United States	bridges
37	1974	City Planning Kansas City		1893 to 1915	Kansas City	Missouri	United States	Civil engineering
38	1974	Milwaukee Metropolitan Sewage Treatment Plant		1919	Milwaukee	Wisconsin	United States	Water supply & flood protection
39	1974	Philadelphia Municipal Water Supply		1801	Philadelphia	Pennsylvania	United States	Water supply & flood protection
40	1974	Stone Arch Bridge		1883	Minneapolis	Minnesota	United States	bridges
41	1975	Castillo de San Marcos		1695	St. Augustine	Florida	United States	building
42	1975	Croton Water Supply System		1842	New York City	new York	United States	Water supply & flood protection
43	1975	Folsom Hydroelectric Power System		1895	Folsom	California	United States	Electricity production
44	1975	Granite Railway		1826	Quincy	Massachusetts	United States	Roads and railways
45	1975	Hoosac tunnel		1875	Berkshire County	Massachusetts	United States	tunnel
46	1975	Lawrence Experiment Station		1886	Lawrence	Massachusetts	United States	Civil engineering
47	1975	Marlette Lake Water System		1873 to 1887	Virginia City	Nevada	United States	Water supply & flood protection
48	1975	Mount Washington Cog Railway		1869	Mount Washington	New Hampshire	United States	Roads and railways
49	1975	Smithfield Street Bridge		1883	Pittsburgh	Pennsylvania	United States	bridges
50	1975	Tunkhannock Viaduct		1915	Nicholson, Wyoming County	Pennsylvania	United States	bridges
51	1976	Crozet's Blue Ridge Tunnel		1858	Waynesboro	Virginia	United States	tunnel
52	1976	Cumbres and Toltec Scenic Railway		1880	Chama (New Mexico) - Antonito (Colorado)	New Mexico and Colorado	United States	Roads and railways
53	1976	Elephant Butte Dam		1916	Truth or Consequences	New Mexico	United States	Dams
54	1976	First Concrete Pavement		1893	Bellefontaine	Ohio	United States	Roads and railways
55	1976	International Boundary Marker # 1		1855	El Paso	Texas	United States	Limits & Surveying
56	1976	King's Road		1766 to 1775	New Smyrna	Florida	United States	Roads and railways
57	1976	National Road		1811-1839	Cumberland, Maryland - Vandalia, Illinois	Midwest	United States	Roads and railways
58	1977	Charlestown Naval Dry Dock		1833	Boston	Massachusetts	United States	shipping
59	1977	City Plan of Savannah		1733	Savannah	Georgia	United States	Civil engineering
60	1977	Great Falls Raceway and Power System		1800	Paterson	New Jersey	United States	Electricity production
61	1977	First New York Subway		1904	New York City	new York	United States	Roads and railways
62	1977	Mason-Dixon line		1767		Maryland & Pennsylvania	United States	Limits & Surveying
63	1977	Minot's Ledge Lighthouse		1860	before Scituate	Massachusetts	United States	shipping
64	1977	Mullan Road		1862	Walla Walla	Washington	United States	Roads and railways
65	1977	Gosport Naval Dry Docks		1833	Portsmouth	Virginia	United States	shipping
66	1977	Reversal of the Chicago River		1900	Chicago	Illinois	United States	shipping
67	1977	Vulcan Street Plant		1882	Appleton	Wisconsin	United States	Electricity production
68	1977	William E. Ward House		1876	Rye	new York	United States	building
69	1978	Boston Subway		1897	Boston	Massachusetts	United States	Roads and railways
70	1978	Dunlap's Creek Bridge		1839	Brownsville	Pennsylvania	United States	bridges
71	1978	Hudson and Manhattan Railroad Tunnel		1908	Jersey City to New York City	New Jersey & New York	United States	tunnel
72	1978	Newark International Airport		1928	Newark	New Jersey	United States	Aviation
73	1978	United States Military Academy		1813	West Point	new York	United States	Civil engineering
74	1979	Cleveland Hopkins Airport		1925	Cleveland	Ohio	United States	Aviation
75	1979	Fink Deck Truss Bridge		1870	Lynchburg	Virginia	United States	bridges
76	1979	Fink Through Truss Bridge		1858	Hamden	New Jersey	United States	bridges
77	1979	Iron bridge		1779	Ironbridge	England	United Kingdom	bridges
78	1979	Moffat tunnel		1928	Winter park	Colorado	United States	tunnel
79	1979	Rockville Bridge		1902	Harrisburg	Pennsylvania	United States	bridges
80	1980	Goodyear Airdock		1929	Akron	Ohio	United States	Aviation
81	1980	Hydraulic-Inclined Plane System of the Morris Canal		1831	Stanhope	New Jersey	United States	shipping
82	1981	Borden Base Line		1831	Hatfield	Massachusetts	United States	Limits & Surveying
83	1981	Chain of Rocks Water Purification Plant		1904	St. Louis	Missouri	United States	Water supply & flood protection
84	1981	Charles River Basin Project		1910	Boston	Massachusetts	United States	Water supply & flood protection
85	1981	Cortland Street Drawbridge		1902	Chicago	Illinois	United States	bridges
86	1981	George Washington Bridge		1931	from Fort Lee to New York City	New Jersey & New York	United States	bridges
87	1981	Louisville Water Works		1875 to 1896	Louisville	Kentucky	United States	Water supply & flood protection
88	1981	Montgomery Bell's Tunnel		1818	Cheatham County	Tennessee	United States	tunnel
89	1981	Snoqualmie Falls Cavity Generating Station		1899	Snoqualmie	Washington	United States	Electricity production
90	1981	Union Station		1894	St. Louis	Missouri	United States	Roads and railways
91	1981	Washington Monument		1885	Washington	District of Columbia	United States	building
92	1981	Whipple Truss Bridge		1855	Schenectady	new York	United States	bridges
93	1982	Carrollton Viaduct		1829	Baltimore	Maryland	United States	bridges
94	1982	Detroit-Windsor Tunnel		1930	Detroit	Michigan	United States	tunnel
95	1982	Eads South Pass Navigation Works		1879	Venice	Louisiana	United States	shipping
96	1982	Holland tunnel		1927	from Jersey City to New York City	New Jersey & New York	United States	tunnel
97	1982	John A. Roebling Suspension Bridge		1866	Cincinnati	Ohio	United States	bridges
98	1982	Kinzua Railway Viaduct		1882	McKean County	Pennsylvania	United States	bridges
99	1982	Rogue River Bridge		1931	Gold Beach	Oregon	United States	bridges
100	1982	Second Street Bridge		1886	Allegan	Michigan	United States	bridges
101	1982	Watertown Arsenal		1859	Watertown	Massachusetts	United States	Civil engineering
102	1983	Atlantic City Convention Hall		1929	Atlantic City	New Jersey	United States	building
103	1983	Bailey Island Bridge		1928	Harpswell	Maine	United States	bridges
104	1983	Blenheim Bridge		1855	North Blenheim	new York	United States	bridges
105	1983	Iron building of the US Army Arsenal		1859	Watervliet	new York	United States	building
106	1983	Ohio Canal System		1848	Akron	Ohio	United States	shipping
107	1983	Peavey-Haglin Experimental Concrete Grain Elevator		1900	St. Louis Park	Minnesota	United States	building
108	1983	Sault Ste. Marie Hydroelectric Complex		1902	Sault Ste. Marie	Michigan	United States	Electricity production
109	1984	Columbia River Scenic Highway		1922	Portland	Oregon	United States	Roads and railways
110	1984	Columbia – Wrightsville Bridge		1930	Lancaster County	Pennsylvania	United States	bridges
111	1984	Golden Gate Bridge		1937	San Francisco	California	United States	bridges
112	1984	Hoover Dam		1935	Boulder City	Nevada & Arizona	United States	Dams
113	1984	Lowell Waterpower System		1821	Lowell	Massachusetts	United States	Electricity production
114	1984	Panama Canal		1914			Panama	shipping
115	1984	Rocky River Pumped Storage Hydro-Plant		1925	New Milford	Connecticut	United States	Electricity production
116	1985	Bayonne Bridge		1931	from Bayonne to Staten Island	New Jersey & New York	United States	bridges
117	1985	Beginning Point of the US Public Land Survey		1785	Liverpool	Ohio	United States	Limits & Surveying
118	1985	Cape Cod Canal		1914	Barnstable County	Massachusetts	United States	shipping
119	1985	Chesapeake and Delaware Canal		1828 (rebuilt 1927)	New Castle	Delaware	United States	shipping
120	1985	Davis Island Lock and Dam		1885	Pittsburgh	Pennsylvania	United States	shipping
121	1985	Forth Bridge		1890	near Edinburgh	Scotland	United Kingdom	bridges
122	1985	Going-to-the-Sun Road		1932	Glacier National Park	Montana	United States	Roads and railways
123	1985	High bridge		1877	Jessamine & Mercer Counties	Kentucky	United States	bridges
124	1985	Statue of Liberty		1886	New York Harbor	new York	United States	building
125	1986	White River Concrete Arch Bridge		1930	Cotter	Arkansas	United States	bridges
126	1986	Cranetown Triangulation Site		1817	Cedar Grove	New Jersey	United States	Limits & Surveying
127	1986	Eiffel Tower		1889	Paris	Île-de-France	France	building
128	1986	Camino Real de Tierra Adentro		1598-1800s	Santa Fe and Mexico City	Texas and New Mexico	United States Mexico	Roads and railways
129	1986	El Camino Real (Königsweg) east branch		since the 16th century	San Antonio	Texas	United States	Roads and railways
130	1986	New Castle Ice Harbor		1974	New Castle	Delaware	United States	shipping
131	1986	Norris Dam		1936	Knoxville	Tennessee	United States	Dams
132	1986	San Francisco - Oakland Bay Bridge		1937	from San Francisco to Oakland	California	United States	bridges
133	1986	Sewall's Bridge		1761 (rebuilt 1934)	York	Maine	United States	bridges
134	1986	Triborough Bridge Project		1936	New York City	new York	United States	bridges
135	1986	US Army Corps of Engineers Waterways Exp. Station		1929	Vicksburg	Mississippi	United States	Civil engineering
136	1986	US Capitol		1793, rebuilt in 1863	Washington	District of Columbia	United States	building
137	1986	Zuiderzeewerke		1927 to 1932	Zaandam	North Holland	Netherlands	Water supply & flood protection
138	1987	Allegheny Portage Railroad		1834	Hollidaysburg	Pennsylvania	United States	Roads and railways
139	1987	Bonneville Dam, Columbia River System		1937	Bonneville	Oregon	United States	Electricity production
140	1987	Keeseville Bridges		1843, 1878, 1888	Keeseville	new York	United States	bridges
141	1987	Dismal Swamp Canal		1805	Chesapeake	Virginia	United States	shipping
142	1987	Houston Ship Channel		1837 - present	Houston	Texas	United States	shipping
143	1987	Kamehameha V Post Office		1871	Honolulu	Hawaii	United States	building
144	1987	Frisco Bridge		1892	Memphis	Tennessee & Arkansas	United States	bridges
145	1987	Quebec Bridge		1917	Quebec	Quebec	Canada	bridges
146	1988	Belle Fourche Dam		1911	Belle Fourche	South Dakota	United States	Dams
147	1988	École Nationale des Ponts et Chaussées		1747	Paris	Île-de-France	France	building
148	1988	Keokuk Hydro-Power System		1913	Keokuk	Iowa	United States	Electricity production
149	1988	Pennsylvania Turnpike		1940		Pennsylvania	United States	Roads and railways
150	1988	River des Peres Sewerage & Drainage Works		1924 to 1931	St. Louis	Missouri	United States	Water supply & flood protection
151	1988	Sydney Harbor Bridge		1932	Sydney	New South Wales	Australia	bridges
152	1989	Royal Colonial Boundary of 1665		1728-1819	Middlesboro	Kentucky	United States	Limits & Surveying
153	1989	Anji Bridge		605 AD	Zhaoxian	Hebei	People's Republic of China	bridges
154	1990	Fort Peck Dam		1940	Fort Peck	Montana	United States	Dams
155	1990	Ponte Maria Pia		1877	postage	Norte	Portugal	bridges
156	1990	Salginatobel Bridge		1930	Schiers	Grisons	Switzerland	bridges
157	1991	Eddystone Lighthouse		1882	before Plymouth	England	United Kingdom	shipping
158	1991	Fritz Engineering Laboratory		1910	Bethlehem	Pennsylvania	United States	Civil engineering
159	1991	St. Clair Tunnel		1891	Port Huron	Michigan	United States	tunnel
160	1991	Thames tunnel		1843	London	England	United Kingdom	tunnel
161	1992	Aqua Traiana		110 AD	Rome	Lazio	Italy	Water supply & flood protection
162	1992	Niagara Falls Suspension Bridge		1849, 1855, 1883, 1898, 1941	Niagara Gorge	Ontario and New York	Canada United States	bridges
163	1992	Duck Creek Aqueduct		1846	Metamora	Indiana	United States	Water supply & flood protection
164	1992	Hohokam Canal System		600 - 1450 AD		Arizona	United States	Water supply & flood protection
165	1992	San Jacinto Monument		1939	Houston	Texas	United States	building
166	1993	Blimp hangars		1943	Tustin	California	United States	Aviation
167	1993	Denison Dam		1943	Denison	Texas	United States	Dams
168	1993	Hanford B Reactor		1944	Richland	Washington	United States	Electricity production
169	1993	Stevens Pass Railroad Tunnel & Switchback System		1900	Stevens Pass	Washington	United States	tunnel
170	1994	Colorado River Aqueduct		1933-1941	Blythe	California	United States	Water supply & flood protection
171	1994	Kavanagh building		1936	Buenos Aires		Argentina	building
172	1994	Missouri River bridges		1926	Chamberlain	South Dakota	United States	bridges
173	1994	Red Hill underground tank system		1943	Honolulu	Hawaii	United States	tunnel
174	1994	Malleco Viaduct		1890	Río Malleco	Región de la Araucanía	Chile	bridges
175	1994	White Pass and Yukon Route		1900	from Whitehorse (Yukon ) to Skagway (Alaska )	Yukon Territory to Alaska	Canada United States	Roads and railways
176	1995	Alaska Highway		1942	Dawson Creek to Delta Junction	from British Columbia to Alaska	Canada United States	Roads and railways
177	1995	Banaue rice terraces		100 BC	Banaue	Ifugao	Philippines	Water supply & flood protection
178	1995	Queretaro Aqueduct		1738	Santiago de Querétaro		Mexico	Water supply & flood protection
179	1995	Victoria Falls Bridge		1905	Zambezi		Zimbabwe Zambia	bridges
180	1996	Armor-Swift-Burlington Bridge		1912	Kansas City	Missouri	United States	bridges
181	1996	Dublin-Belfast railway line		1839	Dublin to Belfast	Ireland Northern Ireland	Ireland United Kingdom	Roads and railways
182	1996	Kentucky Dam		1944	Gilbertsville	Kentucky	United States	Dams
183	1996	Quarry road on Qarun lake		2575-2137 BC	Qarun lake		Egypt	Roads and railways
184	1996	City Plan of Philadelphia		1682	Philadelphia	Pennsylvania	United States	Civil engineering
185	1996	San Antonio River Walk & Flood Control		1929 to 1941	San Antonio	Texas	United States	water control & supply
186	1997	Grand Coulee Dam		1941	Grand Coulee	Washington	United States	Dams
187	1997	Lake Washington Ship Canal & Hiram M. Chittenden Locks		1917	Seattle	Washington	United States	shipping
188	1997	Navajo Bridge		1929	page	Arizona	United States	bridges
189	1997	North Island Main Trunk Railway		1885-1908	Auckland to Wellington	North island	New Zealand	Roads and railways
190	1997	Northampton Street Bridge		1896	From Easton to Phillipsburg	Pennsylvania & New Jersey	United States	bridges
191	1997	Snowy Mountains Scheme		1974	Snowy Mountains	New South Wales	Australia	Electricity production
192	1997	Texas Commerce Bank Building		1929	Houston	Texas	United States	building
193	1997	Walnut Street Bridge		1890	Harrisburg	Pennsylvania	United States	bridges
194	1998	Brooks AFB, Old Hangar 9		1918	San Antonio	Texas	United States	Aviation
195	1998	Canton Viaduct		1835	Canton	Massachusetts	United States	bridges
196	1998	Göta Canal		1810 to 1832	Gothenburg	Västra Götalands	Sweden	shipping
197	1998	Moseley Bridge		1864	North Andover	Massachusetts	United States	bridges
198	1998	Tehachapi Pass Railroad Line		1876	Kern County	California	United States	Roads and railways
199	1999	Segovia Aqueduct		50 AD	Segovia	Castile and León	Spain	Water supply & flood protection
200	1999	Arroyo Seco Parkway		1940	los Angeles	California	United States	Roads and railways
201	1999	Blue Ridge Parkway		started in 1935		Virginia & North Carolina	United States	Roads and railways
202	1999	Cape Hatteras Lighthouse		1870	Cape Hatteras	North Carolina	United States	shipping
203	1999	Maine Turnpike		1947		Maine	United States	Roads and railways
204	1999	McNeill Street Pumping Station		1887	Shreveport	Louisiana	United States	Water supply & flood protection
205	2000	Cedar Falls water supply		1901	Seattle	Washington	United States	Water supply & flood protection
206	2000	Forth and Clyde Canal and Union Canal		1790		Scotland	United Kingdom	shipping
207	2000	Hagia Sophia		537 AD	Istanbul	Istanbul	Turkey	building
208	2000	Muskingum River Canal System		1837	Zanesville	Ohio	United States	shipping
209	2000	Seventh Street Improvement Arches		1909	St. Paul	Minnesota	United States	bridges
210	2000	West Baden Springs Hotel		1902	West Baden Springs	Indiana	United States	building
211	2001	Bunker Hill Covered Bridge		1895, rebuilt in 1994	Claremont	North Carolina	United States	bridges
212	2001	Galveston Seawall and Grade Raising		1904 (expanded through 1963)	Galveston	Texas	United States	Water supply & flood protection
213	2001	Baltimore & Ohio Roundhouse & Shop Complex		1842 to 1850s	Martinsburg	West Virginia	United States	building
214	2002	Conwy Suspension Bridge		1826	Conwy	Wales	United Kingdom	bridges
215	2002	Conwy Tubular Bridge		1849	Conwy	Wales	United Kingdom	bridges
216	2002	Dorton Arena		1952	Raleigh	North Carolina	United States	building
217	2002	East Maui irrigation system		1876 ​​to 1923	East Maui	Hawaii	United States	Water supply & flood protection
218	2002	Five Stone Arch Bridges		1830 to 1866	Hillsborough	New Hampshire	United States	bridges
219	2002	Louisville and Portland Canal Locks & Dam		1830, rebuilt in 1962	Louisville	Kentucky	United States	shipping
220	2002	Marshall Building		1906	Milwaukee	Wisconsin	United States	building
221	2002	Menai Bridge		1826	Anglesey	Wales	United Kingdom	bridges
222	2002	Old Cape Henry Lighthouse ,		1792, replaced in 1881	Virginia Beach	Virginia	United States	shipping
223	2002	Portland Head Light		1787	Cape Elizabeth	Maine	United States	shipping
224	2002	Shannon Hydroelectric Scheme		1929		Clare	Ireland	Electricity production
225	2002	Waldo-Hancock Suspension Bridge		1931	Bucksport	Maine	United States	bridges
226	2003	Horseshoe Curve		1854	Altoona	Pennsylvania	United States	Roads and railways
227	2003	Suez Canal		1869			Egypt	shipping
228	2003	Tennessee State Capitol		1845 to 1877	Nashville	Tennessee	United States	building
229	2004	Hwaseong Fortress		1796	Suwon	Gyeonggi-do	South Korea	building
230	2004	Mesa Verde Reservoirs		750 to 1180 AD	Montezuma County	Colorado	United States	Water supply & flood protection
231	2004	Northern Pacific High Line Bridge No 64		1908	Valley City	North Dakota	United States	bridges
232	2004	Vistula bridge Dirschau		1857	Dirschau	Pomerania	Poland	bridges
233	2005	Great Western Railway		1838		England & Wales	United Kingdom	Roads and railways
234	2005	Philadelphia City Hall		1901	Philadelphia	Pennsylvania	United States	building
235	2005	Sweetwater Dam		1888	Spring Valley	California	United States	Dams
236	2005	Stanley Hydraulics Laboratory at the University of Iowa		established 1919	Iowa City	Iowa	United States	Civil engineering
237	2006	Machu Picchu		1460 AD			Peru	Civil engineering
238	2006	Portland Observatory		1807	Portland	Maine	United States	shipping
239	2006	Tipón		1200 - 1534 AD			Peru	Water supply & flood protection
240	2007	Caledonian Canal		1822	Great Glen	Scotland	United Kingdom	shipping
241	2007	Craigellachie Bridge		1814	Speyside	Scotland	United Kingdom	bridges
242	2008	Choate Bridge		1764	Ipswich	Massachusetts	United States	bridges
243	2008	Goldfields Water Supply		1903	Kalgoorlie	Western Australia	Australia	Water supply & flood protection
244	2008	Lacey V. Murrow Memorial Bridge and east portals of the Mount Baker Tunnels		1940	King County	Washington	United States	bridges
245	2008	Woodhead Dam		1897	Cape Town	Western cape	South Africa	Dams
246	2009	Guayabo National Monument		300 BC - AD 1400	Turrialba	Turrialba	Costa Rica	Civil engineering
247	2009	George Vancouver's mapping of the west coast of North America		1791-1795			Canada United States Mexico	Limits & Surveying
248	2009	Poughkeepsie-Highland Bridge		1886-1888	Poughkeepsie	new York	United States	bridges
249	2009	Manhattan Bridge		1909	New York City	new York	United States	bridges
250	2009	Queensboro Bridge		1909	New York City	new York	United States	bridges
251	2009	Williamsburg Bridge		1903	New York City	new York	United States	bridges
252	2010	Mackinac Bridge		1958	Straits of Mackinac	Michigan	United States	bridges
253	2010	Rensselaer Polytechnic Institute		1824	Troy	new York	United States	Civil engineering
254	2011	Utica Memorial Auditorium		1959	Utica	new York	United States	building
255	2012	Huey P. Long Bridge		1935	Jefferson Parish	Louisiana	United States	bridges
256	2012	Grand Central Terminal		1913	New York City	new York	United States	Roads and railways

Individual evidence

1. ^ Historic Civil Engineering Landmark Program. ASCE, accessed October 30, 2019 . 
2. ^ R. Rhoden: Lake Pontchartrain Causeway named National Historic Civil Engineering Landmark. In: The Times-Picayune. November 8, 2013, accessed November 17, 2013 . 
3. ↑ The Statue of Liberty is on Liberty Island . The island is owned by the federal government of the United States, with jurisdiction under an interstate treaty of 1834 with the state of New York .