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
DRY CREEK Iowa Fair 1973 52.4 m 2,960
WEST FK DES MOINES RIVER Iowa Good 1981 82.9 m 2,960
OTTER CREEK Iowa Good 1983 37.5 m 2,960
FOUR MILE CREEK Iowa Fair 1995 11.9 m 2,960
CEDAR CREEK Iowa Good 2012 93.3 m 2,950
WILLOW CREEK Iowa Fair 1970 61.3 m 2,950
100TH STREET Iowa Good 2007 54.3 m 2,950
QUARTER SECTION RUN CRK. Iowa Good 1994 87.2 m 2,950
CEDAR CREEK Iowa Good 2012 93.3 m 2,950
CRANE CREEK Iowa Good 2010 13.7 m 2,950
IA 2 Iowa Good 2002 60.4 m 2,950
IOWA RIVER Iowa Fair 1968 146.6 m 2,950
IOWA RIVER Iowa Fair 1987 145.7 m 2,950
MOSQUITO CREEK Iowa Poor 1965 46.3 m 2,949
WEST 32ND STREET Iowa Good 2002 37.5 m 2,947
DEER CREEK Iowa Good 2023 66.1 m 2,942
DRY RUN CRK & CEDAR RVR Iowa Good 1992 168.9 m 2,940
BAILEYS CREEK Iowa Good 2023 63.1 m 2,930
BIG CREEK Iowa Poor 1957 127.4 m 2,930
SMALL Iowa Good 1940 6.7 m 2,930
GRUBS CREEK Iowa Fair 1976 31.4 m 2,930
STREAM Iowa Good 1998 27.6 m 2,930
STREAM Iowa Good 1955 7.6 m 2,920
SILVER CREEK Iowa Fair 1955 55.8 m 2,920
PLUM CREEK Iowa Good 1983 31.4 m 2,920
STREAM Iowa Fair 1962 6.4 m 2,920
ROLLING PRAIRIE TRAIL Iowa Fair 1970 71.0 m 2,920
WHITE BREAST CREEK Iowa Fair 1979 47.5 m 2,920
SMALL STREAM Iowa Good 2016 11.6 m 2,918
SMALL STREAM Iowa Good 2014 20.1 m 2,917
CEDAR RIVER Iowa Fair 1979 111.3 m 2,910
SPENCER CREEK Iowa Good 2012 36.6 m 2,910
CROW CREEK Iowa Good 2017 80.8 m 2,905
MUD CREEK Iowa Poor 1927 6.7 m 2,902
I-80 Iowa Fair 1965 72.8 m 2,900
HICKORY AVE Iowa Good 2002 64.9 m 2,900
MOSQUITO CREEK Iowa Fair 1966 87.2 m 2,900
CRANE CREEK Iowa Fair 1957 22.3 m 2,900
IOWA AVE Iowa Good 2002 51.5 m 2,900
JEFFERSON PARK DD Iowa Fair 2020 46.0 m 2,900
COONLEY CREEK Iowa Fair 1972 11.0 m 2,900
CN RR Iowa Fair 1972 78.3 m 2,900
QUARTER SECTION RUN Iowa Fair 1994 87.3 m 2,900
HICKORY AVE Iowa Good 2002 64.9 m 2,900
BIG CREEK Iowa Good 2002 67.4 m 2,900
JEFFERSON PARK DD Iowa Good 2020 46.0 m 2,900
STREAM Iowa Fair 1958 7.6 m 2,900
SOUTH SKUNK RIVER Iowa Fair 1985 138.1 m 2,900
MILLER CREEK Iowa Fair 1962 40.5 m 2,900
MOSQUITO CREEK Iowa Fair 1966 80.2 m 2,900

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.