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 |
|---|---|---|---|---|---|
| S. CARROLTON AVE. | Louisiana | Fair | 1961 | 713.5 m | 7,620 |
| S. CARROLTON AVE. | Louisiana | Fair | 1961 | 724.2 m | 7,620 |
| I-10 WEST TO US 61 | Louisiana | Poor | 1961 | 407.8 m | 7,620 |
| OFF RAMP I-10/CAROLTON | Louisiana | Fair | 1961 | 174.0 m | 7,620 |
| ON RAMP I-10/CARRLOTON | Louisiana | Fair | 1961 | 253.0 m | 7,620 |
| CITY STREETS | Louisiana | Good | 1960 | 381.6 m | 7,620 |
| I 10 EAST | Louisiana | Good | 1969 | 214.9 m | 7,620 |
| CITY STREETS | Louisiana | Fair | 1969 | 170.4 m | 7,620 |
| N. CLAIRBORNE AVE | Louisiana | Fair | 1968 | 178.3 m | 7,620 |
| CITY STREETS | Louisiana | Fair | 1968 | 266.7 m | 7,620 |
| I10 EAST &I 10 W | Louisiana | Fair | 1968 | 637.9 m | 7,620 |
| ON RAMP I-10E | Louisiana | Good | 1968 | 118.6 m | 7,620 |
| CITY STREETS | Louisiana | Fair | 1968 | 273.7 m | 7,620 |
| ON RAMP-ELY FDS. | Louisiana | Good | 1974 | 169.2 m | 7,620 |
| I-10 EAST & WEST | Louisiana | Good | 1968 | 187.1 m | 7,620 |
| OFF RAMP I-10W. | Louisiana | Good | 1968 | 224.6 m | 7,620 |
| ON RAMP I-10E. | Louisiana | Good | 1966 | 179.8 m | 7,620 |
| I-10 EAST & WEST US90 | Louisiana | Fair | 1966 | 521.2 m | 7,620 |
| ON RAMP I-10E.FROM US90 | Louisiana | Good | 1967 | 155.8 m | 7,620 |
| ON RAMP I-10W FROM US90 | Louisiana | Good | 1967 | 95.1 m | 7,620 |
| I10 & LA47 | Louisiana | Good | 1972 | 564.2 m | 7,620 |
| CYPRESS BAYOU | Louisiana | Good | 1957 | 24.4 m | 7,620 |
| I-12 | Louisiana | Fair | 1975 | 117.0 m | 7,611 |
| JONES CREEK | Louisiana | Good | 2014 | 41.1 m | 7,601 |
| SPILLER CREEK | Louisiana | Fair | 1996 | 30.5 m | 7,595 |
| LA 26 | Louisiana | Fair | 1965 | 61.6 m | 7,591 |
| CROSS BAYOU | Louisiana | Fair | 1960 | 163.1 m | 7,587 |
| RAMP TO PORT ALLEN | Louisiana | Fair | 1968 | 115.2 m | 7,586 |
| RAMP | Louisiana | Fair | 1968 | 228.0 m | 7,586 |
| FARMERS L&C CO. CANAL | Louisiana | Fair | 2010 | 10.7 m | 7,583 |
| POYDRAS BAYOU | Louisiana | Good | 1971 | 30.5 m | 7,562 |
| STUMPY BAYOU | Louisiana | Fair | 1971 | 24.4 m | 7,562 |
| NO NAME | Louisiana | Fair | 1952 | 8.5 m | 7,562 |
| STREAM NO NAME | Louisiana | Poor | 1952 | 22.6 m | 7,562 |
| W-8 MAIN CANAL | Louisiana | Fair | 1952 | 7.0 m | 7,562 |
| CHALPIN BAYOU | Louisiana | Poor | 1980 | 40.5 m | 7,562 |
| BAYOU TOMMY | Louisiana | Fair | 1952 | 11.0 m | 7,562 |
| LOWER MARINGOUIN CANAL | Louisiana | Good | 1964 | 24.4 m | 7,562 |
| CHAMBERLIN CANAL | Louisiana | Fair | 1952 | 25.0 m | 7,562 |
| STREAM NO NAME | Louisiana | Fair | 1952 | 20.4 m | 7,562 |
| STREAM NO NAME | Louisiana | Fair | 1952 | 8.5 m | 7,562 |
| BAYOU GROSSE TETE | Louisiana | Fair | 1973 | 56.4 m | 7,562 |
| DRAIN | Louisiana | Good | 1990 | 9.8 m | 7,562 |
| STREAM NO NAME | Louisiana | Good | 1952 | 7.3 m | 7,562 |
| CANAL | Louisiana | Good | 2001 | 46.3 m | 7,546 |
| B ILE DES CANNES | Louisiana | Fair | 1953 | 25.6 m | 7,540 |
| COULEE MINE | Louisiana | Fair | 1953 | 29.3 m | 7,540 |
| CREEK | Louisiana | Good | 1934 | 6.3 m | 7,540 |
| CONNERS CREEK | Louisiana | Good | 1972 | 9.1 m | 7,535 |
| BLACK BAYOU | Louisiana | Poor | 1971 | 17.4 m | 7,519 |
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.