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
SMALL STREAM Iowa Good 2005 28.0 m 660
BR UPPER IOWA RIVER Iowa Good 2018 31.4 m 660
W. FORK CROOKED CREEK Iowa Good 2003 82.6 m 660
SOAP CREEK Iowa Fair 1933 14.0 m 660
LYTLES CREEK Iowa Good 2016 49.9 m 660
MUSCATINE SLOUGH Iowa Fair 1972 23.8 m 660
SMALL STREAM Iowa Poor 1960 6.4 m 660
TOM CREEK Iowa Good 2023 58.5 m 660
SPRING CREEK Iowa Fair 1978 38.1 m 660
MCCARTY CREEK Iowa Good 2020 21.6 m 660
TURKEY RIVER BRANCH Iowa Fair 1962 13.1 m 658
SOUTH WEST CREEK Iowa Fair 1994 11.3 m 658
TURKEY RIVER Iowa Fair 1955 7.3 m 658
TURKEY RIVER BRANCH Iowa Good 2000 7.3 m 658
IA 60 Iowa Good 2006 85.3 m 658
SOUTH WEST CREEK Iowa Fair 1971 31.1 m 658
LITTLE CEDAR CREEK Iowa Poor 1968 31.4 m 658
BEAR CREEK Iowa Fair 1991 47.9 m 658
STREAM Iowa Fair 1972 7.9 m 658
MIDDLE SILVER CREEK Iowa Fair 1990 6.4 m 658
BOYLAN CREEK Iowa Good 1991 11.3 m 658
KEG CREEK Iowa Fair 1990 72.5 m 658
KEG CREEK Iowa Fair 1990 6.7 m 658
W BRANCH FLOYD RIVER Iowa Good 1976 61.0 m 658
WESTERN HILLS CREEK Iowa Good 1994 7.9 m 651
JORDAN CREEK Iowa Good 1996 8.2 m 651
STREAM Iowa Good 1990 7.6 m 651
SMALL STREAM Iowa Fair 1950 7.0 m 650
SALT CREEK Iowa Poor 1976 87.8 m 650
PRAIRIE CREEK Iowa Fair 1991 39.0 m 650
BRUSHY FORK CREEK Iowa Poor 1964 10.4 m 650
WEST FORK CEDAR RIVER Iowa Good 2003 202.1 m 650
OLD WOMANS CREEK Iowa Fair 2006 18.6 m 650
N BRANCH OLD MANS CREEK Iowa Fair 1968 31.4 m 650
MUD CREEK Iowa Fair 1965 32.6 m 650
PLAGUE MINE CREEK Iowa Poor 1976 25.3 m 650
LITTLE CEDAR CREEK Iowa Poor 1972 39.3 m 650
MICHAEL CREEK Iowa Fair 1983 29.3 m 650
BIG INDIAN CREEK Iowa Good 1989 76.8 m 650
US 20 Iowa Good 1978 78.6 m 650
LOST CREEK Iowa Good 2000 50.9 m 650
NORTH WALNUT CREEK Iowa Poor 1990 35.4 m 650
RED OAK CREEK Iowa Fair 1968 14.0 m 650
SUGAR CREEK Iowa Poor 1976 39.0 m 650
MUSCATINE SLOUGH Iowa Fair 1968 31.4 m 650
CREAMERY CREEK Iowa Fair 1968 31.1 m 650
WALNUT CREEK Iowa Poor 1990 41.1 m 650
I-35 Iowa Fair 1958 61.3 m 649
PUTNAM CREEK Iowa Fair 1977 11.6 m 649
RED OAK CREEK Iowa Good 1980 26.8 m 649

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.