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 |
|---|---|---|---|---|---|
| US 167 | Louisiana | Fair | 1969 | 78.3 m | 10,569 |
| JONES CREEK | Louisiana | Poor | 1960 | 35.4 m | 10,543 |
| BAYOU DARBONNE | Louisiana | Fair | 1963 | 293.2 m | 10,540 |
| Bayou Fountain | Louisiana | Good | 2022 | 17.4 m | 10,503 |
| DUNCAN CANAL | Louisiana | Good | 1977 | 6.7 m | 10,500 |
| DRAINAGE CANAL | Louisiana | Fair | 1948 | 7.9 m | 10,492 |
| LITTLE TECHE BAYOU | Louisiana | Poor | 1962 | 37.2 m | 10,487 |
| BAYOU | Louisiana | Fair | 1973 | 11.9 m | 10,434 |
| COMITE RIVER | Louisiana | Good | 2011 | 693.1 m | 10,400 |
| DRAIN | Louisiana | Good | 2011 | 117.0 m | 10,400 |
| BEAVER BAYOU | Louisiana | Good | 2011 | 85.3 m | 10,400 |
| ILLINOIS CENTRAL RR. | Louisiana | Good | 2011 | 447.1 m | 10,400 |
| BEAVER BAYOU | Louisiana | Good | 2011 | 114.3 m | 10,400 |
| BEAVER BAYOU | Louisiana | Fair | 2011 | 627.0 m | 10,400 |
| DRAIN CANAL | Louisiana | Fair | 1995 | 8.2 m | 10,390 |
| LA 115 | Louisiana | Good | 1987 | 135.3 m | 10,352 |
| ACADIANA RAILWAY | Louisiana | Fair | 1986 | 210.0 m | 10,352 |
| LA 106 | Louisiana | Good | 1986 | 67.4 m | 10,352 |
| B.PLAQUEMINE | Louisiana | Fair | 1979 | 444.4 m | 10,350 |
| BAYOU TERREBONNE | Louisiana | Good | 2019 | 9.1 m | 10,321 |
| DRAIN CANAL | Louisiana | Fair | 2010 | 40.8 m | 10,321 |
| ST LOUIS CANAL | Louisiana | Good | 1958 | 24.4 m | 10,321 |
| PORTAGE CANAL | Louisiana | Fair | 1970 | 30.5 m | 10,317 |
| CROSS BAYOU | Louisiana | Fair | 1960 | 162.2 m | 10,312 |
| PORT DELUCE CREEK | Louisiana | Fair | 1991 | 42.7 m | 10,307 |
| PORT DELUCE CREEK RELIEF | Louisiana | Fair | 1991 | 36.6 m | 10,307 |
| I-49 | Louisiana | Good | 2010 | 121.9 m | 10,300 |
| HORSESHOE CANAL | Louisiana | Fair | 1992 | 30.5 m | 10,300 |
| DUMPLIN CREEK | Louisiana | Good | 2000 | 24.4 m | 10,296 |
| BUXTON CREEK | Louisiana | Fair | 1956 | 20.4 m | 10,277 |
| I0049 | Louisiana | Good | 2011 | 189.0 m | 10,262 |
| I-49 | Louisiana | Good | 2013 | 125.0 m | 10,262 |
| ST. LOUIS CANAL | Louisiana | Fair | 1995 | 8.8 m | 10,255 |
| PHILLIPS CREEK | Louisiana | Fair | 1985 | 42.7 m | 10,204 |
| HARPOON BAYOU RELIEF | Louisiana | Fair | 1985 | 60.7 m | 10,204 |
| HARPOON BAYOU | Louisiana | Fair | 1985 | 42.7 m | 10,204 |
| RELIEF BRIDGE US 61 | Louisiana | Fair | 1987 | 85.3 m | 10,202 |
| BAYOU | Louisiana | Good | 2011 | 42.7 m | 10,202 |
| E FORK GRANTS BAYOU | Louisiana | Good | 2011 | 48.8 m | 10,202 |
| GRANT BAYOU | Louisiana | Good | 2011 | 53.6 m | 10,202 |
| AMITE RIVER | Louisiana | Good | 2009 | 883.9 m | 10,200 |
| CREEK | Louisiana | Fair | 1933 | 11.0 m | 10,183 |
| South Tupawek Bayou | Louisiana | Fair | 2019 | 11.0 m | 10,181 |
| BAYOU CHOUPIQUE | Louisiana | Poor | 1978 | 36.6 m | 10,148 |
| LINE AVE | Louisiana | Fair | 1960 | 116.1 m | 10,120 |
| LA 329 & LDRR | Louisiana | Good | 1969 | 426.7 m | 10,090 |
| RODERE CANAL | Louisiana | Fair | 1969 | 30.5 m | 10,090 |
| LEWIS STREET | Louisiana | Fair | 2000 | 442.6 m | 10,090 |
| LA0083 | Louisiana | Good | 2004 | 571.8 m | 10,090 |
| Darnell Rd | Louisiana | Good | 2002 | 574.9 m | 10,090 |
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.