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 |
|---|---|---|---|---|---|
| I-20 | Louisiana | Fair | 1964 | 78.3 m | 3,250 |
| NEW IBERIA SOUTHERN CANA | Louisiana | Poor | 1999 | 30.5 m | 3,244 |
| BEAVER CREEK | Louisiana | Fair | 1950 | 22.6 m | 3,242 |
| TECHE BAYOU/OLIVIER | Louisiana | Poor | 1963 | 80.2 m | 3,241 |
| TETE BAYOU | Louisiana | Fair | 1972 | 17.4 m | 3,241 |
| CHOCTAW BAYOU | Louisiana | Fair | 1963 | 36.6 m | 3,239 |
| INDIAN BAYOU | Louisiana | Poor | 1965 | 17.7 m | 3,236 |
| BAYOU DES CANNES | Louisiana | Good | 1990 | 85.3 m | 3,235 |
| BAYOU MARIA | Louisiana | Poor | 1993 | 11.6 m | 3,220 |
| CREEK | Louisiana | Fair | 1948 | 8.2 m | 3,216 |
| SOUTH RELIEF CANL | Louisiana | Good | 1959 | 18.3 m | 3,212 |
| CREEK | Louisiana | Good | 2014 | 6.9 m | 3,212 |
| CREEK | Louisiana | Good | 2013 | 11.3 m | 3,212 |
| CREEK | Louisiana | Good | 2013 | 14.6 m | 3,212 |
| VINCENT CANAL | Louisiana | Good | 1959 | 18.3 m | 3,212 |
| MARE MICHELE | Louisiana | Fair | 1952 | 29.9 m | 3,212 |
| AVRICO CANAL | Louisiana | Fair | 1952 | 37.2 m | 3,212 |
| CALCASIEU RIVER | Louisiana | Fair | 1980 | 384.7 m | 3,210 |
| MILE BR. | Louisiana | Poor | 1970 | 11.9 m | 3,200 |
| Creek | Louisiana | Good | 2024 | 6.9 m | 3,200 |
| Ile Des Cannes Coulee | Louisiana | Fair | 1992 | 15.5 m | 3,200 |
| HIPPOLYTE COULEE | Louisiana | Fair | 1955 | 11.0 m | 3,197 |
| BLACK BAYOU | Louisiana | Fair | 1974 | 27.4 m | 3,197 |
| CANAL | Louisiana | Good | 2017 | 15.2 m | 3,191 |
| DRAINAGE CANAL | Louisiana | Fair | 1990 | 8.5 m | 3,191 |
| LITTLE COMITE RIVER | Louisiana | Fair | 1951 | 37.2 m | 3,188 |
| DRAIN | Louisiana | Fair | 2013 | 11.6 m | 3,187 |
| TROUT CREEK | Louisiana | Fair | 1964 | 61.0 m | 3,187 |
| BAYOU | Louisiana | Fair | 1975 | 18.3 m | 3,177 |
| DRAINAGE CANAL | Louisiana | Fair | 1978 | 9.1 m | 3,177 |
| ASH SLOUGH | Louisiana | Good | 2016 | 30.5 m | 3,175 |
| DELAHOUSSAYE CANAL | Louisiana | Fair | 1963 | 36.6 m | 3,169 |
| DRAIN | Louisiana | Fair | 1962 | 7.0 m | 3,166 |
| DRAIN | Louisiana | Fair | 1962 | 7.0 m | 3,166 |
| DRAINAGE CANAL | Louisiana | Good | 1983 | 18.3 m | 3,166 |
| W. LACASSINE BAYOU | Louisiana | Fair | 1983 | 9.1 m | 3,166 |
| GULLY | Louisiana | Fair | 1983 | 9.1 m | 3,166 |
| GULLY | Louisiana | Fair | 1983 | 12.8 m | 3,166 |
| I-10 | Louisiana | Fair | 1964 | 67.1 m | 3,166 |
| DRAIN | Louisiana | Fair | 1962 | 10.7 m | 3,166 |
| GULLY | Louisiana | Fair | 1983 | 13.4 m | 3,166 |
| BAYOU | Louisiana | Fair | 1996 | 17.4 m | 3,166 |
| UNION PACIFIC RR | Louisiana | Fair | 2004 | 623.0 m | 3,162 |
| ILE DES CANNES COULEE | Louisiana | Poor | 1973 | 23.2 m | 3,160 |
| Anslem Coulee | Louisiana | Good | 2012 | 22.9 m | 3,155 |
| Bayou Breaux | Louisiana | Good | 2024 | 24.4 m | 3,144 |
| BRUSH BAYOU | Louisiana | Fair | 1988 | 67.1 m | 3,127 |
| SWAMP | Louisiana | Fair | 1971 | 91.4 m | 3,126 |
| SABINE RIVER | Louisiana | Fair | 1981 | 204.2 m | 3,126 |
| SWAMP | Louisiana | Fair | 1971 | 85.3 m | 3,126 |
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.