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 |
|---|---|---|---|---|---|
| BRUSHY BRANCH | Louisiana | Good | 1972 | 11.3 m | 4,243 |
| DRAIN | Louisiana | Good | 1972 | 6.7 m | 4,243 |
| WEST ANACOCO CREEK | Louisiana | Good | 1992 | 91.4 m | 4,242 |
| Salt Bayou | Louisiana | Good | 2019 | 61.0 m | 4,240 |
| LITTLE CYPRESSBAY | Louisiana | Fair | 1960 | 7.3 m | 4,236 |
| DRAIN | Louisiana | Fair | 1960 | 10.1 m | 4,236 |
| CREEK | Louisiana | Fair | 1960 | 10.1 m | 4,236 |
| LA 3132 | Louisiana | Good | 1991 | 247.2 m | 4,230 |
| VET MEM HWY | Louisiana | Good | 1967 | 117.3 m | 4,217 |
| I-10 | Louisiana | Fair | 1966 | 67.1 m | 4,212 |
| BRIDGE CREEK | Louisiana | Fair | 1967 | 48.8 m | 4,201 |
| DRAIN | Louisiana | Good | 2010 | 11.6 m | 4,200 |
| ABITA CREEK | Louisiana | Good | 2010 | 73.2 m | 4,200 |
| TRIBUTARY TO MILE CREEK | Louisiana | Fair | 1930 | 9.8 m | 4,200 |
| DRAIN | Louisiana | Good | 2010 | 36.6 m | 4,200 |
| ABITA RIVER | Louisiana | Fair | 1983 | 52.4 m | 4,200 |
| BEEF BRANCH | Louisiana | Fair | 1988 | 17.7 m | 4,200 |
| I-49 UNDR FLOURNOY-LUCAS | Louisiana | Good | 1989 | 96.0 m | 4,200 |
| I-49 UNDER MAYO ROAD | Louisiana | Fair | 1989 | 88.7 m | 4,200 |
| SOUTH TUPAWEK CREEK | Louisiana | Fair | 2012 | 24.4 m | 4,200 |
| MARIA BAYOU TRIB. #3 | Louisiana | Good | 2011 | 29.9 m | 4,200 |
| BAYOU MARIA TRIB. #1 | Louisiana | Fair | 2011 | 9.4 m | 4,200 |
| BAYOU MARIA TRIB. #2 | Louisiana | Good | 2011 | 6.4 m | 4,200 |
| BICKHAM BAYOU | Louisiana | Good | 1987 | 8.5 m | 4,200 |
| BAYOU MARIA | Louisiana | Good | 2011 | 29.9 m | 4,200 |
| MILE CREEK | Louisiana | Fair | 1930 | 7.0 m | 4,200 |
| KAYOUCHE COULEE | Louisiana | Fair | 1957 | 54.9 m | 4,199 |
| Grays Creek | Louisiana | Good | 2022 | 30.5 m | 4,195 |
| CREEK | Louisiana | Fair | 1972 | 8.2 m | 4,194 |
| CREEK | Louisiana | Good | 1952 | 7.9 m | 4,194 |
| DEER CREEK | Louisiana | Fair | 1972 | 30.5 m | 4,194 |
| TROUT CREEK | Louisiana | Fair | 1967 | 67.1 m | 4,190 |
| EVANGELINE ST. OFF RAMP | Louisiana | Good | 1970 | 56.1 m | 4,185 |
| INDIAN BAYOU | Louisiana | Good | 2019 | 205.7 m | 4,182 |
| TANYARD CREEK | Louisiana | Fair | 1935 | 12.2 m | 4,174 |
| WARDS CREEK RR | Louisiana | Good | 1994 | 240.8 m | 4,169 |
| CREEK | Louisiana | Good | 2010 | 92.4 m | 4,167 |
| I-10 | Louisiana | Fair | 1965 | 67.1 m | 4,160 |
| CYPRESS ISLAND BAYOU | Louisiana | Fair | 1962 | 30.5 m | 4,152 |
| I-20 @ ARCADIA | Louisiana | Poor | 1964 | 87.2 m | 4,151 |
| KCS RAILROAD | Louisiana | Good | 2019 | 53.3 m | 4,145 |
| DIVERSION CANAL | Louisiana | Good | 1985 | 48.8 m | 4,141 |
| BAYOU LAMOURIE | Louisiana | Fair | 1977 | 30.5 m | 4,141 |
| TRIB. TO MACKS BAYOU | Louisiana | Fair | 1986 | 29.0 m | 4,137 |
| DRAINAGE CANAL | Louisiana | Good | 2018 | 30.5 m | 4,131 |
| BAYOU PLAQUEMINE BRULE | Louisiana | Fair | 1949 | 161.2 m | 4,120 |
| MILE BRANCH | Louisiana | Fair | 1963 | 73.2 m | 4,117 |
| DRAIN | Louisiana | Good | 1963 | 7.0 m | 4,117 |
| CALICO BRANCH | Louisiana | Fair | 1963 | 18.3 m | 4,117 |
| HAYS CREEK | Louisiana | Fair | 1963 | 146.3 m | 4,117 |
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.