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
ENGLISH CREEK Iowa Good 1987 6.7 m 1,120
BNSF RR Iowa Good 2010 57.6 m 1,120
LITTLE SIOUX RIVER Iowa Fair 1973 129.5 m 1,120
SMALL STREAM Iowa Good 1992 6.1 m 1,120
NISHNA RIVER OVERFLOW Iowa Good 1995 40.5 m 1,120
EAST NISHNABOTNA RIVER Iowa Fair 1959 99.1 m 1,120
OVER CC RR Iowa Good 1991 61.3 m 1,120
E BR LAKE CREEK Iowa Good 1991 37.5 m 1,120
WEST BR INDIAN CREEK Iowa Fair 1998 35.1 m 1,119
OTTER CREEK Iowa Good 2015 40.2 m 1,119
BLOODY RUN CREEK Iowa Good 2001 24.4 m 1,119
PRAIRIE CREEK Iowa Good 2017 31.4 m 1,119
SMALL STREAM Iowa Good 1960 7.9 m 1,117
I-35 Iowa Fair 1965 67.7 m 1,117
SMALL NATURAL STREAM Iowa Poor 1939 7.6 m 1,117
UNNAMED CREEK Iowa Fair 1900 8.5 m 1,117
LITTLE WATERMAN CREEK Iowa Good 1969 31.4 m 1,117
LITTLE SIOUX RIVER Iowa Good 2013 127.4 m 1,112
LATERAL #77 DD #23 Iowa Fair 1900 6.1 m 1,112
STREAM Iowa Fair 1916 7.3 m 1,110
BR PRAIRIE CR Iowa Fair 1977 7.0 m 1,110
CITY STS Iowa Fair 1993 55.5 m 1,110
MOSQUITO CREEK Iowa Fair 1959 65.5 m 1,110
KEG CREEK Iowa Fair 1967 15.2 m 1,110
STREAM Iowa Fair 1962 6.4 m 1,110
NORTH RACCOON RIVER Iowa Fair 1973 62.2 m 1,109
SMALL NATURAL STREAM Iowa Fair 1968 7.9 m 1,109
IOWAY CREEK Iowa Fair 1963 47.2 m 1,108
WALNUT CREEK Iowa Good 2013 52.7 m 1,107
BURR OAK CREEK Iowa Fair 1991 7.9 m 1,100
BEAVER CREEK Iowa Good 1984 92.4 m 1,100
TRIB TO CEDAR RIVER Iowa Good 2015 21.3 m 1,100
SMALL CREEK Iowa Good 1985 14.0 m 1,100
WILDCAT CREEK Iowa Fair 1987 39.0 m 1,100
BUFFALO CREEK Iowa Fair 1973 46.3 m 1,100
HUNTER CREEK Iowa Good 2000 61.3 m 1,100
SAWYER CREEK Iowa Fair 1925 7.7 m 1,100
BRANCH PRAIRIE CREEK Iowa Fair 1959 9.4 m 1,100
BRUSH CREEK Iowa Fair 1960 48.5 m 1,100
LITTLE MILL CREEK Iowa Good 1976 42.1 m 1,100
US 30 Iowa Good 2008 76.2 m 1,100
ENGLISH CREEK Iowa Good 1999 43.9 m 1,100
OVER UP RR Iowa Fair 1961 46.6 m 1,100
OVER CC RR Iowa Fair 1978 47.2 m 1,100
DES MOINES RIVER Iowa Good 2016 248.7 m 1,100
SKILLET CREEK Iowa Good 2018 6.6 m 1,100
OPOSSUM CREEK Iowa Fair 1959 44.8 m 1,100
HOOSIER CREEK Iowa Fair 1984 8.2 m 1,099
BURR OAK CREEK Iowa Fair 1967 14.0 m 1,097
WILLOW CREEK Iowa Fair 1965 30.5 m 1,097

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.