Browse Bridge Database

23,716 bridges in the FHWA National Bridge Inventory in Iowa.

National Bridge Inventory Database

Browse 23,716 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
LITTLE BEAVER CREEK Iowa Good 1961 12.2 m 2,260
BEAVER CREEK Iowa Fair 1990 52.1 m 2,260
PRAIRIE CREEK Iowa Good 2019 37.5 m 2,260
SMALL STREAM Iowa Fair 1951 10.7 m 2,260
PITMAN CREEK Iowa Good 1995 7.6 m 2,260
STREAM Iowa Good 1979 6.4 m 2,260
TRIB TO ELK RUN CREEK Iowa Fair 1973 15.1 m 2,259
VIRDEN CREEK Iowa Fair 1969 6.3 m 2,259
SOUTH FORK CATFISH CREEK Iowa Good 2012 55.2 m 2,259
US 52 Iowa Good 2011 84.1 m 2,259
WILLOW CREEK Iowa Fair 1975 7.3 m 2,257
FROG CREEK Iowa Fair 1976 33.8 m 2,255
GODDARD CREEK Iowa Fair 1932 38.1 m 2,250
LAMONT CREEK Iowa Fair 1977 37.8 m 2,250
SO FK MAQUOKETA RIVER Iowa Good 1989 52.4 m 2,250
HAUGH CREEK Iowa Good 2016 25.0 m 2,250
OVER BNSF RR Iowa Fair 1964 58.8 m 2,250
CEDAR CREEK Iowa Fair 1964 63.4 m 2,250
UP RR & WEST CREEK Iowa Fair 1986 93.0 m 2,250
CLOSES CREEK Iowa Fair 1984 12.8 m 2,245
CEDAR RIVER OVERFLOW Iowa Good 2005 40.5 m 2,241
KEMP CREEK Iowa Fair 1964 62.5 m 2,240
DRY RUN CREEK Iowa Fair 1975 10.1 m 2,240
MIDDLE NODAWAY RIVER Iowa Fair 1964 93.3 m 2,240
DES MOINES RIVER Iowa Good 1995 124.1 m 2,234
NISHNABOTNA RIVER Iowa Good 1997 108.2 m 2,231
I-380 Iowa Fair 1981 92.1 m 2,231
TRIB OF BIG CREEK Iowa Fair 1966 7.9 m 2,230
STREAM Iowa Fair 1972 6.4 m 2,230
WEST FORK CEDAR RIVER Iowa Fair 1957 65.2 m 2,230
BEAVER DAM CREEK Iowa Fair 1932 7.3 m 2,230
E BRANCH BEAVER DAM CRK Iowa Good 2021 46.7 m 2,230
BIG CREEK Iowa Fair 1937 32.0 m 2,230
US 30 Iowa Fair 1971 75.6 m 2,229
IA 92 Iowa Good 2017 60.0 m 2,225
IA 92 Iowa Good 2017 60.0 m 2,225
INDIAN CREEK Iowa Fair 1937 10.4 m 2,224
INDIAN CREEK Iowa Fair 1992 17.7 m 2,223
SOUTH FORK LOST CREEK Iowa Good 2024 32.6 m 2,221
OLD MANS CREEK Iowa Good 2021 60.0 m 2,220
DEER CREEK Iowa Good 1977 29.9 m 2,220
STREAM Iowa Fair 1988 8.8 m 2,210
SIX MILE CREEK Iowa Good 1987 53.6 m 2,210
NORTH RACCOON RIVER Iowa Fair 1983 106.7 m 2,210
FROG CREEK Iowa Fair 1976 33.8 m 2,210
MISSISSIPPI RIVER Iowa Poor 1931 496.8 m 2,200
UP RR Iowa Good 2019 87.4 m 2,200
STREAM Iowa Good 2013 7.0 m 2,200
DRAINAGE DITCH Iowa Good 1979 7.6 m 2,200
DRAINAGE DITCH Iowa Fair 1928 15.9 m 2,200

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.