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 |
|---|---|---|---|---|---|
| E YOUNGS BAYOU | Louisiana | Fair | 1965 | 7.3 m | 84,225 |
| US 165 | Louisiana | Fair | 1965 | 154.2 m | 84,225 |
| CITY ST/ICG RR/OUACHITA | Louisiana | Fair | 1965 | 2,790.4 m | 84,225 |
| YOUNGS BAYOU | Louisiana | Fair | 1965 | 42.7 m | 84,225 |
| BLACK BAYOU | Louisiana | Fair | 1965 | 48.8 m | 84,225 |
| MAPLE FORK BAYOU | Louisiana | Fair | 2022 | 67.1 m | 83,609 |
| I-10 | Louisiana | Good | 2006 | 100.6 m | 83,400 |
| CANAL | Louisiana | Fair | 1966 | 36.6 m | 82,860 |
| LA 433 | Louisiana | Fair | 1966 | 67.1 m | 82,860 |
| KCS RAILROAD | Louisiana | Good | 2013 | 281.6 m | 82,333 |
| OAKLAWN DRIVE | Louisiana | Good | 1966 | 480.4 m | 80,773 |
| BONNABEL BLVD. | Louisiana | Fair | 1966 | 504.4 m | 80,773 |
| LA 415 | Louisiana | Fair | 1969 | 294.4 m | 80,618 |
| DRAINAGE CANAL | Louisiana | Fair | 1969 | 14.3 m | 80,618 |
| DRAINAGE CANAL | Louisiana | Good | 1968 | 7.0 m | 80,618 |
| BAYOU CHOCTAW | Louisiana | Fair | 1974 | 73.2 m | 80,618 |
| BRIDGE 290 EBL | Louisiana | Good | 1973 | 48.5 m | 80,618 |
| LA 59 | Louisiana | Good | 1976 | 75.3 m | 80,162 |
| PONCHATOLAWA CREEK | Louisiana | Fair | 1976 | 53.3 m | 79,960 |
| TCHEFUNCTE RIVER | Louisiana | Fair | 1975 | 429.5 m | 79,563 |
| US 190 | Louisiana | Fair | 1976 | 209.7 m | 79,563 |
| BAYOU LACOMBE | Louisiana | Good | 1976 | 85.3 m | 79,502 |
| US190/US61 | Louisiana | Good | 1976 | 753.8 m | 79,455 |
| LA 21 | Louisiana | Fair | 1975 | 78.6 m | 79,164 |
| BIG BRANCH | Louisiana | Good | 1972 | 6.7 m | 78,974 |
| DRAIN | Louisiana | Fair | 1966 | 9.1 m | 78,651 |
| BAYOU LIBERTY | Louisiana | Good | 1972 | 48.8 m | 78,365 |
| I-59 NB | Louisiana | Fair | 1970 | 57.9 m | 78,215 |
| I-10 | Louisiana | Good | 1970 | 136.2 m | 78,215 |
| DRAIN | Louisiana | Fair | 1970 | 9.1 m | 78,215 |
| I-59 SB | Louisiana | Fair | 1970 | 37.2 m | 78,215 |
| VINCENT BAYOU | Louisiana | Fair | 1970 | 30.5 m | 78,215 |
| DONYA ST/CANAL | Louisiana | Good | 1970 | 129.8 m | 78,215 |
| US 11 | Louisiana | Good | 1970 | 153.9 m | 78,215 |
| US 79 & 80 I-20 & KCS R | Louisiana | Good | 1993 | 1,047.6 m | 78,214 |
| US79-80 I20 & RRS | Louisiana | Good | 1993 | 1,047.6 m | 78,214 |
| CANAL | Louisiana | Good | 1969 | 8.5 m | 78,208 |
| HORNSBY CREEK | Louisiana | Fair | 1969 | 38.1 m | 78,208 |
| COLYELL CREEK | Louisiana | Fair | 1969 | 61.0 m | 78,208 |
| Drain Canal | Louisiana | Good | 2022 | 79.2 m | 77,962 |
| Dranage Canal | Louisiana | Good | 2022 | 79.2 m | 77,962 |
| DRAIN CANAL | Louisiana | Fair | 1967 | 76.2 m | 77,962 |
| BULLARD RD. | Louisiana | Fair | 1973 | 440.4 m | 77,962 |
| DRAIN CANAL | Louisiana | Fair | 1967 | 110.0 m | 77,962 |
| JAHNCKE CANAL | Louisiana | Fair | 1972 | 30.5 m | 77,962 |
| SABINE RIVER | Louisiana | Fair | 2002 | 1,526.1 m | 77,897 |
| CANAL | Louisiana | Good | 1970 | 12.2 m | 77,469 |
| GRAYS CREEK | Louisiana | Fair | 1970 | 45.7 m | 77,469 |
| DUMPLIN CREEK | Louisiana | Fair | 1970 | 30.5 m | 77,469 |
| MIDDLE COLYELL CREEK | Louisiana | Fair | 1970 | 61.0 m | 77,469 |
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.