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 2017 10.7 m 130
ROBERTS CREEK Iowa Good 1984 54.0 m 128
E. BLUE CREEK Iowa Fair 1990 21.9 m 128
E BLUE CREEK Iowa Good 2001 21.9 m 128
SALT CREEK Iowa Good 2003 31.4 m 128
BRANCH WOLF CREEK Iowa Good 2003 27.4 m 128
CREEK Iowa Poor 1976 7.6 m 128
BEAVER CREEK Iowa Good 1985 39.0 m 128
EAST BLUE CREEK Iowa Fair 1988 21.9 m 128
CRANE CREEK Iowa Good 1989 66.1 m 128
SPRING CR Iowa Fair 1998 14.6 m 128
OTTER CREEK Iowa Fair 1983 6.4 m 128
TWELVE MILE CREEK Iowa Fair 1956 38.7 m 128
TRIB TO ABBE CREEK Iowa Fair 1987 31.4 m 128
BERRYS RUN Iowa Good 2002 12.2 m 128
TRIB TO MILLER CREEK Iowa Fair 2003 27.4 m 128
STREAM Iowa Good 2021 6.7 m 128
YELLOW RIVER Iowa Poor 1954 54.3 m 128
BRANCH YELLOW RIVER Iowa Good 2001 87.8 m 128
DRAINAGE DITCH Iowa Good 1973 6.4 m 128
S HOOSIER CR Iowa Fair 1985 23.8 m 128
I-380 Iowa Good 1984 101.8 m 128
BENNETT CREEK Iowa Fair 1986 12.2 m 128
SMALL STREAM Iowa Good 2020 24.4 m 128
US 30 Iowa Good 1995 81.7 m 128
BEAVER CREEK Iowa Poor 1949 15.9 m 128
CREEK Iowa Poor 1997 12.8 m 128
US 30 Iowa Good 2018 71.6 m 128
STREAM Iowa Fair 1995 7.3 m 128
BEAR CREEK Iowa Good 2008 40.5 m 128
TEEPLE CREEK Iowa Fair 1960 21.3 m 128
US 30 Iowa Good 2018 86.3 m 128
UNNAMED CREEK Iowa Good 1987 17.1 m 128
BLACKHAWK CREEK BRANCH Iowa Good 1988 31.4 m 128
BRANCH PAINT CREEK Iowa Good 2020 16.8 m 128
SMALL CREEK Iowa Fair 2007 8.1 m 128
TURKEY RIVER Iowa Good 1979 63.1 m 128
DRY RUN CREEK Iowa Good 2007 30.5 m 128
INDIAN CREEK Iowa Poor 1937 74.4 m 126
EAST BOYER RIVER Iowa Poor 1967 53.0 m 125
US 218 Iowa Good 2001 68.3 m 124
SMALL CREEK Iowa Fair 2007 6.7 m 123
W FORK NODAWAY RIVER Iowa Good 2021 69.9 m 123
SEVERS CREEK Iowa Poor 1951 17.4 m 123
AMES CREEK Iowa Good 2011 14.0 m 123
I-80 Iowa Fair 1960 100.9 m 123
CREEK Iowa Poor 1916 7.6 m 123
LITTLE MEADOWS Iowa Fair 1999 8.2 m 123
EAST NISHNABOTNA RIVER Iowa Poor 1900 61.3 m 123
DD #28 Iowa Fair 1979 9.8 m 123

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.