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 |
|---|---|---|---|---|---|
| DRAINAGE BAYOU | Louisiana | Good | 2000 | 22.9 m | 6,230 |
| STOKER BRANCH | Louisiana | Fair | 1967 | 30.5 m | 6,226 |
| STOKER BRANCH | Louisiana | Fair | 1967 | 36.6 m | 6,226 |
| GRAYS CREEK | Louisiana | Fair | 1979 | 29.3 m | 6,226 |
| I0020 & CONSTITUTION DR | Louisiana | Poor | 1963 | 67.7 m | 6,220 |
| CREEK | Louisiana | Fair | 1931 | 10.1 m | 6,218 |
| CANE CREEK | Louisiana | Fair | 1981 | 30.5 m | 6,218 |
| BAYOU DES CANNES | Louisiana | Good | 1956 | 12.5 m | 6,214 |
| KCS RAILROAD | Louisiana | Fair | 2004 | 12.8 m | 6,200 |
| Chatlin Lake Canal | Louisiana | Good | 2006 | 30.5 m | 6,200 |
| N. BRANCH WARDS CREEK | Louisiana | Poor | 1988 | 29.0 m | 6,180 |
| CROSS BAYOU | Louisiana | Good | 1977 | 54.9 m | 6,163 |
| CANEY BAYOU | Louisiana | Poor | 1932 | 7.6 m | 6,163 |
| GROUND | Louisiana | Good | 2013 | 234.7 m | 6,160 |
| MONTE SANO BAYOU | Louisiana | Fair | 1971 | 42.7 m | 6,150 |
| WALLACE CREEK | Louisiana | Fair | 1976 | 36.6 m | 6,150 |
| US 167 SOUTH | Louisiana | Good | 1980 | 83.8 m | 6,146 |
| CREEK | Louisiana | Fair | 1966 | 6.7 m | 6,146 |
| TRIB. TO GILMER BAYOU | Louisiana | Good | 1999 | 10.7 m | 6,138 |
| HENDERSON BAYOU | Louisiana | Poor | 1969 | 11.6 m | 6,131 |
| RODDY BAYOU | Louisiana | Good | 2007 | 17.4 m | 6,131 |
| ASYLUM BRANCH | Louisiana | Good | 1988 | 36.6 m | 6,113 |
| I-12 | Louisiana | Good | 1970 | 67.7 m | 6,110 |
| PIPE AT CANAL | Louisiana | Fair | 1995 | 6.7 m | 6,110 |
| CREEK | Louisiana | Fair | 1994 | 21.9 m | 6,110 |
| BEAR BRANCH | Louisiana | Good | 1975 | 7.0 m | 6,107 |
| CONTRABAND BAYOU | Louisiana | Poor | 1964 | 29.0 m | 6,090 |
| LIVELY BAYOU | Louisiana | Fair | 1990 | 30.5 m | 6,085 |
| ENGLISH BAYOU | Louisiana | Fair | 1953 | 42.7 m | 6,080 |
| DRAIN | Louisiana | Fair | 1958 | 8.2 m | 6,080 |
| ENGLISH BAYOU | Louisiana | Fair | 1953 | 24.4 m | 6,080 |
| KAYOUCHE COULEE | Louisiana | Poor | 1958 | 61.0 m | 6,080 |
| BAYOU OSIER | Louisiana | Poor | 1958 | 8.2 m | 6,080 |
| BAYOU CASTOR S BRANCH | Louisiana | Good | 1989 | 49.1 m | 6,076 |
| CREEK | Louisiana | Fair | 1945 | 8.8 m | 6,071 |
| BLACK BAYOU | Louisiana | Good | 2004 | 103.6 m | 6,071 |
| LITTLE BLACK BAY | Louisiana | Good | 1945 | 29.3 m | 6,071 |
| Prime Gully | Louisiana | Fair | 1951 | 11.6 m | 6,068 |
| LIONS PT GULLEY | Louisiana | Fair | 1951 | 37.2 m | 6,068 |
| DRAIN | Louisiana | Good | 1957 | 9.8 m | 6,067 |
| DRAIN | Louisiana | Good | 1983 | 6.7 m | 6,064 |
| WILLOW BAYOU REL. CANAL | Louisiana | Fair | 1960 | 18.3 m | 6,051 |
| DRAIN | Louisiana | Fair | 1932 | 10.4 m | 6,051 |
| TALLA BENA BAYOU | Louisiana | Fair | 1932 | 10.4 m | 6,051 |
| HUB BAYOU | Louisiana | Good | 1957 | 24.4 m | 6,046 |
| BAYOU | Louisiana | Fair | 1932 | 8.2 m | 6,040 |
| ST. LOUIS BAYOU | Louisiana | Good | 2017 | 42.7 m | 6,028 |
| BAYOU | Louisiana | Fair | 1962 | 22.6 m | 6,027 |
| CANAL | Louisiana | Fair | 1965 | 19.5 m | 6,018 |
| FOX BRANCH | Louisiana | Fair | 1968 | 17.7 m | 6,010 |
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.