Browse Bridge Database
12,684 bridges in the FHWA National Bridge Inventory in Louisiana.
National Bridge Inventory Database
Browse 12,684 bridges from the Federal Highway Administration National Bridge Inventory. Filter by state, condition rating, or search by name and location.
| Bridge | Location | Condition | Year Built | Length | ADT |
|---|---|---|---|---|---|
| LA 523 | Louisiana | Fair | 1995 | 65.8 m | 23,520 |
| US171 SPRR | Louisiana | Good | 1978 | 194.8 m | 23,520 |
| LA 3132 WALKER ROAD | Louisiana | Good | 1990 | 66.1 m | 23,520 |
| KCS RR | Louisiana | Fair | 1977 | 118.0 m | 23,520 |
| LA 526 BERT KOUNS IND. L | Louisiana | Good | 2007 | 199.9 m | 23,520 |
| LINWOOD AVE. | Louisiana | Good | 1988 | 66.8 m | 23,520 |
| JEWELLA AVE | Louisiana | Fair | 1991 | 66.1 m | 23,520 |
| T. & P. RR | Louisiana | Good | 1984 | 103.6 m | 23,520 |
| BRUSH BAYOU | Louisiana | Fair | 1979 | 54.9 m | 23,520 |
| LA 511 | Louisiana | Good | 1994 | 67.4 m | 23,520 |
| BAYOU PIERRE | Louisiana | Fair | 1977 | 70.7 m | 23,520 |
| CREEK | Louisiana | Fair | 1932 | 8.2 m | 23,512 |
| BAYOU PIERRE | Louisiana | Fair | 1963 | 53.3 m | 23,509 |
| BAYOU CARRON | Louisiana | Fair | 1983 | 61.0 m | 23,498 |
| KENNISON BAYOU | Louisiana | Fair | 1983 | 8.5 m | 23,498 |
| US 167 EXT. | Louisiana | Good | 1983 | 347.5 m | 23,498 |
| CREEK | Louisiana | Good | 1926 | 7.0 m | 23,405 |
| BAYOU BIENVENUE | Louisiana | Poor | 1973 | 91.4 m | 23,365 |
| I C WATERWAY(GULF OUTLET | Louisiana | Fair | 1967 | 2,018.4 m | 23,365 |
| CORPORATION CANAL | Louisiana | Fair | 1950 | 10.1 m | 23,240 |
| UNIVERSITY LAKE SPILLWAY | Louisiana | Fair | 1965 | 21.6 m | 23,240 |
| US 79 80 | Louisiana | Good | 1979 | 88.1 m | 23,106 |
| RAMP I-220(5B)-I-20(EB) | Louisiana | Fair | 1979 | 126.8 m | 23,106 |
| US71&KCSRR | Louisiana | Poor | 1966 | 165.8 m | 23,105 |
| MACKS BAYOU | Louisiana | Fair | 2007 | 47.2 m | 23,105 |
| NO PUBLIC BELT R/R | Louisiana | Poor | 1960 | 15.8 m | 23,049 |
| SISTER STREET | Louisiana | Poor | 1960 | 15.8 m | 23,049 |
| INDUSTRIAL CANAL | Louisiana | Poor | 1950 | 41.8 m | 23,049 |
| STREAM NO NAME | Louisiana | Good | 1952 | 8.2 m | 22,996 |
| BAYOU CLAUSE | Louisiana | Fair | 2001 | 36.0 m | 22,996 |
| DRAINAGE CANAL | Louisiana | Fair | 1959 | 7.0 m | 22,996 |
| TIGER BAYOU | Louisiana | Good | 2005 | 36.6 m | 22,996 |
| DUBOIN CANAL | Louisiana | Fair | 1969 | 13.4 m | 22,993 |
| PATTERSON CANAL | Louisiana | Good | 1964 | 7.9 m | 22,893 |
| CONTRABAND BAYOU | Louisiana | Good | 1978 | 9.8 m | 22,878 |
| DOLET SWAMP | Louisiana | Good | 1989 | 365.8 m | 22,806 |
| BOIS DARC BAYOU | Louisiana | Good | 1988 | 30.5 m | 22,806 |
| CITY STREET/RAILROAD | Louisiana | Fair | 1991 | 481.6 m | 22,680 |
| CITY STREET/RAILROAD | Louisiana | Poor | 1991 | 266.4 m | 22,680 |
| BAYOU | Louisiana | Fair | 1977 | 30.5 m | 22,663 |
| COMITE RIVER | Louisiana | Fair | 1961 | 92.0 m | 22,627 |
| STREAM | Louisiana | Good | 1976 | 8.2 m | 22,615 |
| N B WARDS CREEK | Louisiana | Good | 1956 | 42.7 m | 22,611 |
| WARD CREEK | Louisiana | Fair | 1960 | 10.1 m | 22,611 |
| 17TH ST. CANAL | Louisiana | Fair | 2005 | 61.0 m | 22,600 |
| PANAMA CANAL | Louisiana | Fair | 1950 | 22.6 m | 22,576 |
| TWELVE MILE BAYOU | Louisiana | Fair | 1990 | 148.7 m | 22,553 |
| BAYOU BARATARIA | Louisiana | Fair | 1971 | 85.3 m | 22,518 |
| DRAIN CANAL | Louisiana | Fair | 1997 | 64.3 m | 22,518 |
| DAWSON CR.BRG.(ACADIAN) | Louisiana | Fair | 1964 | 30.5 m | 22,447 |
Frequently Asked Questions
The National Bridge Inventory (NBI) is a federal database maintained by the Federal Highway Administration containing inspection data for all bridges on public roads in the U.S. with a span of more than 20 feet. Bridge owners must inspect each structure at least every 24 months.
ADT stands for Average Daily Traffic — the average number of vehicles crossing the bridge per day. Bridges are sorted by ADT by default because high-traffic bridges in poor condition pose the greatest risk to the most people.
Yes. Use the search field above to find bridges by name, location, or features crossed. You can also combine the search with state and condition filters to narrow your results.