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
PRAIRIE CREEK Iowa Good 1989 40.2 m 1,960
STREAM Iowa Fair 1925 6.7 m 1,960
ELK CREEK Iowa Good 1990 37.5 m 1,960
W BRANCH LITTLE RIVER Iowa Fair 1986 6.7 m 1,960
DRAINAGE DITCH Iowa Good 2010 37.9 m 1,960
WILLOW CREEK Iowa Good 2004 28.7 m 1,960
STREAM Iowa Fair 1961 6.4 m 1,960
EAST BOYER RIVER Iowa Poor 1958 62.5 m 1,951
DRAINAGE DITCH #110 Iowa Good 1993 9.8 m 1,950
DRAINAGE DITCH #110 Iowa Good 1978 8.8 m 1,950
MIDDLE RACCOON RVR & TRL Iowa Good 2014 70.7 m 1,950
STREAM Iowa Fair 1955 7.0 m 1,950
STREAM Iowa Fair 1956 8.8 m 1,950
WILLOW CREEK Iowa Good 2014 66.2 m 1,950
STREAM Iowa Fair 1940 7.6 m 1,950
COON CREEK Iowa Good 1989 42.4 m 1,950
SUMMIT LAKE Iowa Fair 1976 44.5 m 1,950
DRAINAGE DITCH Iowa Fair 1960 7.6 m 1,949
KEG CREEK Iowa Fair 1981 52.1 m 1,942
RACCOON RIVER OVERFLOW Iowa Fair 1973 43.3 m 1,942
RACCOON RIVER Iowa Fair 1973 205.1 m 1,942
BEAVER CREEK Iowa Good 2012 66.2 m 1,941
PARKING LOT Iowa Fair 1972 124.4 m 1,940
RALSTON CREEK Iowa Fair 1971 55.2 m 1,940
W BRANCH CEDAR RIVER Iowa Fair 1960 16.5 m 1,940
OVER UP RR Iowa Fair 1978 75.6 m 1,940
ENGLISH CREEK Iowa Good 2015 11.4 m 1,940
DRAINAGE DITCH Iowa Fair 1957 8.8 m 1,940
DRAINAGE DITCH Iowa Fair 1957 8.8 m 1,940
BROKEN KETTLE CREEK Iowa Fair 1956 46.3 m 1,940
LITTLE TURKEY RIVER Iowa Good 2013 54.0 m 1,940
BLACKHAWK CREEK Iowa Poor 1971 39.0 m 1,935
BIG CREEK Iowa Good 2006 35.1 m 1,935
CRAPAPPLE CREEK Iowa Good 2006 31.4 m 1,935
BRANCH MUD CREEK Iowa Good 1991 31.4 m 1,934
TRIB OF BEAVER CREEK Iowa Good 1974 7.7 m 1,934
NORTH FORK CATFISH CREEK Iowa Fair 2010 9.6 m 1,932
SHELLROCK RIVER Iowa Fair 1981 80.2 m 1,931
BNSF Iowa Good 2001 64.9 m 1,930
BROOK CREEK Iowa Good 2010 33.5 m 1,930
DRY RUN CREEK Iowa Good 2013 7.6 m 1,930
AMES CREEK Iowa Good 1988 39.0 m 1,930
PANTHER CREEK Iowa Poor 1966 55.8 m 1,930
I-35 Iowa Fair 1969 99.5 m 1,930
OVER CC RR Iowa Good 1988 54.6 m 1,930
E FORK DES MOINES RIVER Iowa Fair 1986 45.7 m 1,930
MC ELHANEY CREEK Iowa Fair 1983 46.0 m 1,930
MILL CREEK Iowa Good 1976 45.7 m 1,930
MINERVA CREEK Iowa Good 2001 31.4 m 1,930
STREAM Iowa Good 2003 22.3 m 1,930

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.