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 |
|---|---|---|---|---|---|
| KCS RR | Louisiana | Fair | 1978 | 106.7 m | 25,004 |
| KCS RR | Louisiana | Good | 1978 | 118.9 m | 25,004 |
| WARDS CREEK NB. | Louisiana | Fair | 1959 | 7.3 m | 24,979 |
| JONES CREEK | Louisiana | Fair | 1958 | 48.8 m | 24,923 |
| SUBURBAN CANAL | Louisiana | Poor | 1968 | 17.4 m | 24,900 |
| DRAIN | Louisiana | Fair | 1956 | 7.0 m | 24,739 |
| US 79 & 80 | Louisiana | Good | 1979 | 88.1 m | 24,701 |
| DRAIN | Louisiana | Fair | 1958 | 8.2 m | 24,571 |
| LIVELY BAYOU | Louisiana | Good | 1958 | 30.5 m | 24,571 |
| CREEK | Louisiana | Good | 1965 | 11.0 m | 24,508 |
| RAMP M | Louisiana | Good | 1984 | 179.8 m | 24,384 |
| RAMP I | Louisiana | Good | 1984 | 141.1 m | 24,384 |
| Soniat Canal | Louisiana | Good | 2005 | 37.5 m | 24,341 |
| WARD CRK/BLUEBONNET BLVD | Louisiana | Fair | 1978 | 61.6 m | 24,300 |
| WARD CREEK | Louisiana | Fair | 1978 | 61.6 m | 24,300 |
| I-20 | Louisiana | Fair | 1976 | 84.7 m | 24,300 |
| STREAM | Louisiana | Good | 1966 | 8.8 m | 24,210 |
| PANAMA CANAL | Louisiana | Fair | 1966 | 42.7 m | 24,210 |
| STREAM | Louisiana | Good | 1966 | 6.7 m | 24,210 |
| STREAM | Louisiana | Good | 1966 | 8.8 m | 24,210 |
| BAYOU FOUNTAIN | Louisiana | Fair | 1989 | 48.8 m | 24,194 |
| DRAINAGE CANAL | Louisiana | Fair | 1957 | 30.5 m | 24,186 |
| BAYOU DUPLANTIER | Louisiana | Good | 2000 | 48.8 m | 24,147 |
| BAYOU CLEAR DIV. CANAL | Louisiana | Poor | 1990 | 85.3 m | 24,080 |
| DITCH | Louisiana | Good | 1990 | 8.5 m | 24,080 |
| GENE BALL DR. B. ROBERT | Louisiana | Fair | 1990 | 118.9 m | 24,080 |
| COPENHAGEN SLOUGH | Louisiana | Fair | 1990 | 30.5 m | 24,080 |
| BAYOU BOEUF RELIEF | Louisiana | Fair | 1990 | 42.7 m | 24,080 |
| TURTLE BAYOU | Louisiana | Fair | 1990 | 30.5 m | 24,080 |
| BAYOU BOEUF DIV. CANAL | Louisiana | Fair | 1990 | 134.1 m | 24,080 |
| DES CANNES RELIEF | Louisiana | Fair | 1992 | 122.5 m | 24,065 |
| BAYOU DES CANNES | Louisiana | Good | 1961 | 122.5 m | 24,065 |
| VERMILION RIVER | Louisiana | Fair | 1981 | 80.5 m | 24,061 |
| NEW RIVER | Louisiana | Good | 1976 | 36.6 m | 24,014 |
| MUDDY CREEK | Louisiana | Good | 2018 | 14.0 m | 24,000 |
| US 51 & SWAMP | Louisiana | Fair | 1975 | 23,113.3 m | 24,000 |
| CANAL #3 | Louisiana | Good | 1960 | 11.0 m | 24,000 |
| I-10 & US 51 & SWAMP | Louisiana | Good | 1975 | 23,382.4 m | 24,000 |
| AMITE RIVER | Louisiana | Good | 2010 | 883.9 m | 23,971 |
| CANE BAYOU | Louisiana | Good | 1960 | 30.5 m | 23,871 |
| CREEK | Louisiana | Fair | 1963 | 7.0 m | 23,737 |
| CONC BOX XING | Louisiana | Good | 1942 | 12.2 m | 23,719 |
| CONC BOX XING | Louisiana | Good | 1942 | 10.4 m | 23,719 |
| CONC BOX XING | Louisiana | Good | 1942 | 8.5 m | 23,719 |
| CONC BOX XING | Louisiana | Good | 1942 | 7.0 m | 23,719 |
| BONNET CARRE SPILLWAY | Louisiana | Fair | 1984 | 1,830.6 m | 23,719 |
| CREEK | Louisiana | Good | 1970 | 10.1 m | 23,562 |
| LITTLE NAT RIVER | Louisiana | Fair | 1968 | 45.7 m | 23,562 |
| ATCHAFALAYA FLOODWAY | Louisiana | Good | 1991 | 39.3 m | 23,521 |
| WEST ATCHAFALAYA FLDWAY | Louisiana | Fair | 1991 | 39.3 m | 23,521 |
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.