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 |
|---|---|---|---|---|---|
| CHAMBERLAIN CANAL | Louisiana | Good | 1958 | 18.3 m | 2,107 |
| BAYOU YARBOR | Louisiana | Good | 2015 | 12.2 m | 2,100 |
| CREEK | Louisiana | Good | 2012 | 7.3 m | 2,100 |
| Bayou Coulee | Louisiana | Good | 2012 | 24.4 m | 2,100 |
| Canal | Louisiana | Good | 2020 | 15.5 m | 2,100 |
| CREEK | Louisiana | Good | 2012 | 7.3 m | 2,100 |
| DRAIN | Louisiana | Good | 1963 | 8.2 m | 2,098 |
| ALLIGATOR BAYOU | Louisiana | Fair | 1963 | 85.3 m | 2,098 |
| BAYOU CARRON | Louisiana | Fair | 1962 | 61.0 m | 2,097 |
| BAYOU COURTABLEAU | Louisiana | Fair | 1937 | 82.6 m | 2,097 |
| BAYOU CARRON | Louisiana | Good | 2004 | 54.9 m | 2,097 |
| DRAINAGE CANAL | Louisiana | Fair | 1967 | 17.4 m | 2,092 |
| CLARKE BAYOU | Louisiana | Poor | 1984 | 81.1 m | 2,091 |
| RED RIVER LA 1 UP RR | Louisiana | Fair | 1984 | 934.8 m | 2,091 |
| CREEK | Louisiana | Good | 1998 | 7.6 m | 2,090 |
| CORKERN CREEK | Louisiana | Fair | 1955 | 13.4 m | 2,087 |
| CREEK | Louisiana | Good | 1979 | 7.0 m | 2,087 |
| GREEN LAKE CR | Louisiana | Fair | 1972 | 24.4 m | 2,087 |
| LAWRENCE CREEK | Louisiana | Fair | 1972 | 121.9 m | 2,087 |
| PIG BRANCH | Louisiana | Fair | 1976 | 24.4 m | 2,087 |
| BARLOW BRANCH | Louisiana | Fair | 1976 | 24.4 m | 2,087 |
| WARNER CREEK | Louisiana | Fair | 1976 | 36.6 m | 2,087 |
| GREEN BRANCH | Louisiana | Fair | 1972 | 12.2 m | 2,087 |
| RICHARDSON BRANCH | Louisiana | Fair | 1972 | 18.3 m | 2,087 |
| CYPRESS BAYOU | Louisiana | Poor | 1965 | 23.5 m | 2,080 |
| COPPER MILL BAYOU | Louisiana | Fair | 1970 | 17.4 m | 2,080 |
| BECKWITH CREEK | Louisiana | Fair | 1961 | 103.6 m | 2,079 |
| BECKWITH CREEK RELIEF | Louisiana | Fair | 1961 | 18.3 m | 2,079 |
| HICKORY BRANCH | Louisiana | Fair | 1948 | 48.8 m | 2,079 |
| COLE CREEK | Louisiana | Fair | 1961 | 36.6 m | 2,079 |
| CREEK | Louisiana | Fair | 1948 | 18.3 m | 2,079 |
| EAST PONCHATOULA CREEK | Louisiana | Fair | 1985 | 17.4 m | 2,075 |
| CLAY CUT BAYOU | Louisiana | Good | 2023 | 30.5 m | 2,074 |
| PRAIRIE BRANCH | Louisiana | Good | 1994 | 30.5 m | 2,071 |
| CALCASIEU RIVER RELIEF | Louisiana | Good | 1981 | 168.2 m | 2,071 |
| CALCASIEU RIVER RELIEF | Louisiana | Good | 1981 | 76.2 m | 2,071 |
| MASTERS CREEK | Louisiana | Good | 1995 | 24.4 m | 2,071 |
| CALCASIEU RIVER | Louisiana | Fair | 1981 | 198.7 m | 2,071 |
| BRACKY BRANCH | Louisiana | Fair | 1966 | 30.5 m | 2,068 |
| Bayou Carencro | Louisiana | Fair | 1979 | 48.8 m | 2,067 |
| Canal | Louisiana | Fair | 1998 | 9.1 m | 2,064 |
| CREEK | Louisiana | Fair | 1950 | 18.3 m | 2,063 |
| BAYOU RIGOLETTE | Louisiana | Fair | 1950 | 72.5 m | 2,063 |
| BAYOU RIGOLETTE | Louisiana | Poor | 1950 | 72.2 m | 2,063 |
| JAMES BRANCH | Louisiana | Fair | 1969 | 9.1 m | 2,063 |
| CREEK | Louisiana | Fair | 1969 | 6.7 m | 2,063 |
| CREEK | Louisiana | Good | 1969 | 6.7 m | 2,063 |
| HUDSON CREEK | Louisiana | Fair | 1969 | 61.0 m | 2,063 |
| PRAIRIE BAYOU | Louisiana | Fair | 1975 | 23.5 m | 2,060 |
| HALFWAY BAYOU | Louisiana | Fair | 1975 | 11.9 m | 2,060 |
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.