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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.

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BridgeLocationConditionYear BuiltLengthADT
VERMILION RIVER Louisiana Fair 1970 116.4 m 56,748
DRAIN Louisiana Fair 1968 12.5 m 56,748
DRAIN Louisiana Fair 1968 8.5 m 56,748
Acadian Hills Lane Louisiana Fair 1968 119.5 m 56,748
DRAIN Louisiana Good 1968 11.3 m 56,748
COULEE MINE Louisiana Fair 1968 9.1 m 56,748
LA 182 Louisiana Fair 1968 58.5 m 56,748
I0049/US0167 Louisiana Poor 1968 71.6 m 56,748
LA 728-1 Louisiana Fair 1970 52.1 m 56,748
ATCHAFALAYA RIVER Louisiana Fair 1972 926.6 m 56,100
US 90 Louisiana Fair 1957 288.0 m 55,994
R/R CITY STREETS LA 611 Louisiana Poor 1957 707.7 m 55,994
JEFF/ORLEANS PARISH LINE Louisiana Fair 1982 53.3 m 55,872
DRAIN CANAL Louisiana Good 1986 7.6 m 55,872
I.C.G. RR Louisiana Good 1977 415.4 m 55,872
LA 3152 RAMPS A B D&E Louisiana Good 1986 423.7 m 55,872
ST. PETERS DITCH Louisiana Good 1986 6.7 m 55,872
CENTRAL AVE IC KCS SP.RR Louisiana Fair 1986 654.4 m 55,872
LA SOUTH & KCS. RAILROAD Louisiana Fair 1984 581.3 m 55,872
PARISH LINE OVERPASS Louisiana Fair 1982 121.9 m 55,872
ST. R/R Louisiana Good 1982 659.6 m 55,872
CITRUS CANAL Louisiana Good 1970 30.5 m 55,800
CANAL Louisiana Fair 1966 30.5 m 55,785
MIDDLE PEARL R. Louisiana Fair 1970 234.7 m 55,785
W PEARL RIVER Louisiana Fair 1970 694.9 m 55,785
US 190 Louisiana Fair 1966 61.0 m 55,785
CANAL Louisiana Fair 1966 30.5 m 55,785
AMITE RIVER Louisiana Good 2012 797.1 m 55,700
AMITE RIVER Louisiana Good 2011 797.1 m 55,700
M.P. R/R KAYOUCHE COULEE Louisiana Fair 1976 247.5 m 55,407
LA 18 AND 541 Louisiana Good 2013 1,573.4 m 55,210
GROUND Louisiana Good 2013 283.2 m 55,210
MISSISSIPPI RIVER Louisiana Fair 1936 725.7 m 55,210
I 10 Louisiana Fair 1967 427.3 m 55,210
HILTON DR & RR Louisiana Fair 1973 551.7 m 55,210
CANAL NO. 5 Louisiana Good 1982 10.4 m 55,210
CANAL NO. 4 Louisiana Good 1995 8.8 m 55,210
I-20 Louisiana Good 1994 43.9 m 54,700
I-20 - STONER AVE Louisiana Good 1994 82.0 m 54,700
WARDS CREEK Louisiana Fair 1965 9.8 m 54,042
LA 511 Louisiana Good 1994 67.4 m 53,886
US171 SPRR Louisiana Fair 1979 204.8 m 53,886
DRAIN Louisiana Fair 1984 9.4 m 53,886
BAYOU PIERRE Louisiana Fair 1977 70.7 m 53,886
LA 523 Louisiana Fair 1995 65.8 m 53,886
LA 3132 WALKER ROAD Louisiana Good 1990 66.1 m 53,886
LA 526 BERT KOUNS IND. L Louisiana Good 2007 199.9 m 53,886
BRUSH BAYOU Louisiana Fair 1979 54.9 m 53,886
LINWOOD AVE. Louisiana Good 1988 66.8 m 53,886
KCS RR Louisiana Fair 1977 118.0 m 53,886

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.