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 |
|---|---|---|---|---|---|
| SWAMP | Louisiana | Fair | 1971 | 85.3 m | 3,126 |
| SABINE RIVER | Louisiana | Fair | 1981 | 204.2 m | 3,126 |
| BAYOU | Louisiana | Fair | 1971 | 30.5 m | 3,126 |
| PATOUT CANAL | Louisiana | Poor | 1945 | 12.2 m | 3,125 |
| DELAHOUSSAYE CANAL | Louisiana | Fair | 1969 | 17.4 m | 3,125 |
| FLAT RIVER | Louisiana | Fair | 1978 | 58.5 m | 3,124 |
| CROSS BAYOU | Louisiana | Good | 2008 | 30.5 m | 3,124 |
| RED CHUTE BAYOU | Louisiana | Poor | 1980 | 64.0 m | 3,124 |
| RED BRANCH | Louisiana | Fair | 1979 | 17.4 m | 3,124 |
| TANGIPAHOA RIVER E RELIE | Louisiana | Good | 1975 | 27.4 m | 3,120 |
| TANGIPAHOA RIVER | Louisiana | Fair | 1974 | 137.8 m | 3,120 |
| TANG. R. W.RELIEF | Louisiana | Good | 1975 | 69.2 m | 3,120 |
| TERRYS CREEK | Louisiana | Good | 1974 | 96.6 m | 3,120 |
| SLOUGH | Louisiana | Good | 1974 | 41.1 m | 3,120 |
| LTI CREEK | Louisiana | Fair | 2015 | 13.7 m | 3,111 |
| DRAIN - C-6 | Louisiana | Fair | 1990 | 14.6 m | 3,100 |
| I-49 | Louisiana | Good | 1971 | 86.6 m | 3,100 |
| SOUTH TUPAWEK CREEK | Louisiana | Fair | 2011 | 9.8 m | 3,100 |
| BAYOU SCIE | Louisiana | Good | 1990 | 85.3 m | 3,097 |
| COWARDS GULLY | Louisiana | Fair | 1956 | 61.0 m | 3,097 |
| BAYOU SCIE RELIEF | Louisiana | Good | 1990 | 54.9 m | 3,097 |
| CANAL | Louisiana | Fair | 1956 | 6.7 m | 3,097 |
| BEAR HEAD CREEK | Louisiana | Fair | 1956 | 164.6 m | 3,097 |
| DRAINAGE CANAL | Louisiana | Good | 2019 | 18.3 m | 3,094 |
| DRAINAGE CANAL | Louisiana | Good | 2007 | 30.2 m | 3,094 |
| BAYOU PLAQUEMINE | Louisiana | Good | 2005 | 81.1 m | 3,094 |
| DRAIN NO NAME | Louisiana | Good | 1955 | 8.2 m | 3,092 |
| LITTLE SANDY CREEK | Louisiana | Poor | 1955 | 46.6 m | 3,092 |
| SANDY CREEK | Louisiana | Poor | 1979 | 23.2 m | 3,092 |
| SANDY CREEK RELIEF | Louisiana | Fair | 1981 | 11.6 m | 3,092 |
| DUGDEMONA RIVER | Louisiana | Fair | 1976 | 151.5 m | 3,086 |
| CREEK | Louisiana | Good | 1987 | 13.1 m | 3,086 |
| CREEK | Louisiana | Good | 1987 | 11.3 m | 3,086 |
| YOUNGS NORTH COULEE | Louisiana | Good | 2009 | 22.9 m | 3,084 |
| COULEE | Louisiana | Fair | 1976 | 11.6 m | 3,080 |
| PEEBLES B DUBOIN | Louisiana | Fair | 1955 | 15.8 m | 3,078 |
| LITTLE BAYOU BLACK | Louisiana | Good | 1960 | 6.7 m | 3,078 |
| BAYOU CHOUPIQUE | Louisiana | Fair | 1978 | 36.6 m | 3,078 |
| KELLY CANAL | Louisiana | Good | 1954 | 8.2 m | 3,078 |
| BELLIVUE CANAL | Louisiana | Fair | 1955 | 24.4 m | 3,078 |
| IVANHOE CANAL | Louisiana | Fair | 1959 | 42.7 m | 3,078 |
| JACK COULEE | Louisiana | Fair | 1955 | 14.3 m | 3,078 |
| BAYOU BLUE | Louisiana | Fair | 1951 | 18.0 m | 3,078 |
| BAYOU WAREHOUSE | Louisiana | Good | 2009 | 79.2 m | 3,078 |
| STUMPY BAYOU | Louisiana | Good | 2011 | 99.1 m | 3,078 |
| CREEK | Louisiana | Good | 2012 | 36.6 m | 3,070 |
| JONES CREEK | Louisiana | Fair | 2000 | 42.7 m | 3,066 |
| CREEK | Louisiana | Good | 2013 | 12.8 m | 3,057 |
| CREEK | Louisiana | Poor | 1950 | 8.2 m | 3,057 |
| Coulee Duralde | Louisiana | Good | 1996 | 30.5 m | 3,050 |
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.