List of bridges over the lower Mississippi

The list of bridges over the lower Mississippi includes the bridges over the Lower Mississippi River south of the confluence of the Ohio River near Cairo, Illinois ( 36 ° 59 ′ 4 ″  N , 89 ° 8 ′ 0 ″  W ) to the Gulf of Mexico . The locations begin with the locations on the left (eastern) bank. Span is the span of the main opening. Construction year refers to the year the bridge was completed. The majority of the bridges are steel cantilever bridges or Gerber girder bridges , only the Hernando de Soto Bridge is an arch bridge; the few cable-stayed bridges are indicated in the comments.

image	Surname	Clamping wide m	place	construction year	use	comment
	Caruthersville Bridge	280	Dyersburg , Tennessee Caruthersville, Missouri 36 ° 6 ′ 54 "  N , 89 ° 36 ′ 47"  W.	1976	Interstate 155 US Highway 412	Four lane road bridge
	Hernando de Soto Bridge	274	Memphis , Tennessee West Memphis , Arkansas 35 ° 9 '10 "  N , 90 ° 3' 50"  W.	1973	Interstate 40	Six-lane motorway bridge, truss arch bridge
	Harahan Bridge	241	Memphis, Tennessee West Memphis, Arkansas 35 ° 7 '45 "  N , 90 ° 4' 33"  W.	1916	Union Pacific Railroad	Double track railway bridge
	Frisco Bridge	241	Memphis, Tennessee West Memphis, Arkansas 35 ° 7 '43 "  N , 90 ° 4' 35"  W.	1892	BNSF Railway	First and for a long time the only solid crossing over the Mississippi below St. Louis ; single-track railway bridge, formerly with road use. Registered as a National Historic Landmark and Historic Civil Engineering Landmark .
	Memphis – Arkansas Bridge	241	Memphis, Tennessee West Memphis, Arkansas 35 ° 7 '42 "  N , 90 ° 4' 36"  W.	1949	Interstate 55 U.S. Highway 61 , 64 , 70 , 79	Four lane road bridge
	Helena Bridge	245	Lula, Mississippi Helena-West Helena, Arkansas 34 ° 29 ′ 48 "  N , 90 ° 35 ′ 17"  W.	1961	US Highway 49	Two lane road bridge
	Charles W. Dean Bridge (planned)	457	Benoit, Mississippi Arkansas City, Arkansas 33 ° 37 '12 "  N , 91 ° 8' 10"  W	n / A	Interstate 59 278	Cable-stayed bridge not yet built due to lack of funding
	Greenville Bridge	420	Greenville , Mississippi Lake Village, Arkansas 33 ° 17 ′ 14 ″  N , 91 ° 9 ′ 15 ″  W	2010	US Highway 82 , 278	Cable-stayed bridge; four-lane road bridge as a replacement for the dismantled Benjamin G. Humphreys Bridge (1940), which stood at a narrow bend in the river, which often led to shipping accidents.
	Old Vicksburg Bridge	251	Vicksburg , Mississippi Delta, Louisiana 32 ° 18 ′ 52 "  N , 90 ° 54 ′ 17"  W.	1930	Kansas City Southern Railway , formerly US Highway 80	Single-track railway bridge, which until 1998 also contained a lane for road traffic, which was opened alternately with train traffic. It was added to the National Register of Historic Places in 1989 .
	Vicksburg Bridge	265	Vicksburg, Mississippi Delta, Louisiana 32 ° 18 ′ 55 ″  N , 90 ° 54 ′ 30 ″  W.	1973	Interstate 20 U.S. Highway 80	Four lane road bridge that relieved the Old Vicksburg Bridge.
	Natchez – Vidalia Bridge	258	Natchez , Mississippi Vidalia , Louisiana 31 ° 33 ′ 33 "  N , 91 ° 25 ′ 9"  W.	1940 1980	US Highway 84 , 425	Two parallel two-lane road bridges
	John James Audubon Bridge	482	St. Francisville , Louisiana New Roads, Louisiana 30 ° 43 ′ 39 "  N , 91 ° 21 ′ 18"  W	2011	Louisiana Highway 10	With a span of 482 m, it is one of the 50 largest cable-stayed bridges in the world; on the American continent, however, it is the second largest after the Baluarte Bridge in Mexico. It is named after the ornithologist and draftsman John James Audubon .
	Huey P. Long Bridge (Baton Rouge)	259	Baton Rouge , Louisiana Port Allen, Louisiana 30 ° 30 ′ 25 "  N , 91 ° 11 ′ 51"  W	1940	Kansas City Southern Railway U.S. Highway 190	Single-track railway bridge with two-lane roads supported by cantilever arms on both sides.
	Horace Wilkinson Bridge	376	Baton Rouge, Louisiana Port Allen, Louisiana 30 ° 26 ′ 23 "  N , 91 ° 11 ′ 47"  W	1968	Interstate 10	Six-lane road bridge
	Sunshine Bridge	251	Sorrento , Louisiana Donaldsonville , Louisiana 30 ° 5 ′ 53 "  N , 90 ° 54 ′ 44"  W.	1964	Louisiana Highway 70	Four lane road bridge
	Gramercy Bridge (Veterans Memorial Bridge)	445	Gramercy, Louisiana Wallace, Louisiana 30 ° 2 ′ 47 "  N , 90 ° 40 ′ 22"  W.	1995	Louisiana Highway 3213	Four lane road bridge
	Hale Boggs Memorial Bridge (Luling-Destrehan Bridge)	372	Destrehan, Louisiana Luling, Louisiana 29 ° 56 ′ 33 ″  N , 90 ° 22 ′ 25 ″  W.	1983	Interstate 310	Four lane road bridge; Cable-stayed bridge with an orthotropic slab as a girder.
	Huey P. Long Bridge (Jefferson Parish)	241	Elmwood, Jefferson Parish Bridge City, Jefferson Parish, Louisiana 29 ° 56 ′ 39 ″  N , 90 ° 10 ′ 7 ″  W	1935 2013	New Orleans Public Belt Railroad U.S. Highway 90	In the middle of the half-timbered construction, two railway tracks with three-lane roads on both sides.
	Crescent City Connection	480 486	New Orleans , Louisiana 29 ° 56 '17 "  N , 90 ° 3' 27"  W.	1958 1988	US Highway 90	Two parallel road bridges each with four lanes. The older was the third longest cantilever truss bridge after the Québec Bridge and the Forth Bridge .

 Map with all coordinates: OSM | WikiMap