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 |
|---|---|---|---|---|---|
| BAYOU DES CYPRAIRRES | Louisiana | Good | 1977 | 54.9 m | 6,887 |
| BAYOU DES GLAISE | Louisiana | Fair | 1977 | 96.6 m | 6,887 |
| BAYOU LACOMBE | Louisiana | Fair | 1993 | 11.0 m | 6,887 |
| NICHOLAS COULEE | Louisiana | Good | 1979 | 24.4 m | 6,880 |
| RED RIVER CITY STS. | Louisiana | Fair | 1985 | 313.6 m | 6,865 |
| US 167 | Louisiana | Good | 1969 | 122.8 m | 6,865 |
| U.P. RR | Louisiana | Good | 2019 | 289.6 m | 6,861 |
| BOUTTE CANAL | Louisiana | Good | 1999 | 19.5 m | 6,850 |
| HOSSTON RIVER RD. | Louisiana | Good | 2014 | 53.0 m | 6,846 |
| PINEHILL RD | Louisiana | Good | 2016 | 240.2 m | 6,846 |
| KELLY BAYOU | Louisiana | Good | 2014 | 70.7 m | 6,846 |
| LA 3194 | Louisiana | Good | 2016 | 140.8 m | 6,846 |
| SELF ROAD | Louisiana | Good | 2013 | 64.0 m | 6,846 |
| UNKNOWN POND | Louisiana | Good | 2013 | 68.6 m | 6,846 |
| SWIFT BAYOU | Louisiana | Good | 2013 | 30.5 m | 6,846 |
| SWIFT BAYOU CANAL | Louisiana | Fair | 2013 | 9.8 m | 6,846 |
| MCCAIN CREEK | Louisiana | Good | 2016 | 15.8 m | 6,846 |
| LA 1 | Louisiana | Good | 2016 | 374.6 m | 6,846 |
| MYRA-MYRTIS RD | Louisiana | Good | 2014 | 186.2 m | 6,846 |
| DRAIN | Louisiana | Good | 2013 | 11.6 m | 6,846 |
| DOOLEY BAYOU | Louisiana | Good | 2013 | 36.6 m | 6,846 |
| BLACK BAYOU | Louisiana | Good | 2013 | 182.9 m | 6,846 |
| TWELVE MILE BAYOU | Louisiana | Good | 2013 | 373.1 m | 6,846 |
| US 71 | Louisiana | Good | 2014 | 265.2 m | 6,846 |
| LA 173 | Louisiana | Good | 2013 | 310.9 m | 6,846 |
| EAGLE CHUTE | Louisiana | Good | 2013 | 114.3 m | 6,846 |
| DRAIN | Louisiana | Good | 2013 | 8.2 m | 6,846 |
| LA 170 | Louisiana | Good | 2013 | 365.8 m | 6,846 |
| DRAIN | Louisiana | Good | 2013 | 8.5 m | 6,846 |
| LA 169 | Louisiana | Good | 2013 | 85.3 m | 6,846 |
| LA 2 | Louisiana | Good | 2014 | 87.8 m | 6,846 |
| MYRICKS BAYOU | Louisiana | Good | 2013 | 30.5 m | 6,846 |
| UNKNOWN CREEK | Louisiana | Good | 2013 | 68.6 m | 6,846 |
| BAYOU CORNE | Louisiana | Good | 1960 | 67.1 m | 6,842 |
| LIT BAU PIERRE PA | Louisiana | Good | 1960 | 79.2 m | 6,842 |
| BAYOU VALERIE | Louisiana | Good | 1960 | 24.4 m | 6,842 |
| DRY SLOUGH | Louisiana | Fair | 2003 | 61.0 m | 6,816 |
| BAYOU NEZPIEQUE BRIDGE | Louisiana | Good | 2003 | 152.4 m | 6,816 |
| LITTLE BLACK BAYOU | Louisiana | Fair | 1989 | 23.2 m | 6,810 |
| BAYOU LAFOURCHE | Louisiana | Good | 2015 | 55.8 m | 6,806 |
| CHOUPIQUE BAYOU | Louisiana | Poor | 1979 | 412.1 m | 6,800 |
| TECHE BAYOU | Louisiana | Fair | 1951 | 85.6 m | 6,798 |
| I-20 | Louisiana | Poor | 1960 | 92.0 m | 6,795 |
| Avoca Island Cutoff | Louisiana | Fair | 1988 | 44.2 m | 6,787 |
| GROUND | Louisiana | Good | 2013 | 296.9 m | 6,786 |
| I-10 | Louisiana | Fair | 1984 | 416.1 m | 6,786 |
| I-20/KCS RR | Louisiana | Poor | 1966 | 168.6 m | 6,786 |
| RAMP EB | Louisiana | Fair | 1964 | 85.0 m | 6,786 |
| OFF RAMP | Louisiana | Fair | 1964 | 85.0 m | 6,786 |
| TWELVE MILE BAYOU | Louisiana | Fair | 2005 | 231.6 m | 6,777 |
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.