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.

Clear
BridgeLocationConditionYear BuiltLengthADT
BELLVILLE DITCH Iowa Fair 1926 7.6 m 767
NATURAL CREEK Iowa Fair 1926 6.4 m 767
DRAINAGE DITCH Iowa Fair 1975 7.9 m 767
S FORK MIDDLE RIVER Iowa Fair 1975 7.9 m 767
TURKEY RIVER Iowa Good 2018 24.4 m 766
CREEK Iowa Good 1981 7.0 m 766
TURKEY RIVER Iowa Fair 2009 10.4 m 766
TURKEY RIVER Iowa Good 2009 18.5 m 766
STREAM Iowa Good 2002 7.9 m 766
PRAIRIE CREEK Iowa Poor 1961 6.4 m 766
STREAM Iowa Good 2006 7.6 m 766
STOE CREEK Iowa Fair 1963 22.6 m 766
TURKEY RIVER Iowa Fair 1956 51.2 m 766
DOWD CREEK Iowa Good 2009 25.0 m 766
MCCANDLESS CLEGHORN Iowa Good 1997 39.0 m 763
NISHNABOTNA RIVER Iowa Good 2002 105.2 m 761
MUCHINOCK CREEK Iowa Fair 1967 12.8 m 761
SPRING CREEK Iowa Good 1987 8.2 m 760
COMPTON CREEK Iowa Fair 1936 6.1 m 760
CAMP CREEK Iowa Fair 1991 45.7 m 760
INDIAN CREEK Iowa Fair 1991 66.1 m 760
DRAINAGE DITCH Iowa Poor 1927 7.9 m 760
BUFFALO CREEK Iowa Good 2018 61.0 m 760
LITTLE WALNUT CREEK Iowa Good 2007 43.3 m 760
US 30 Iowa Fair 1975 82.0 m 760
ELK CREEK Iowa Fair 1987 55.8 m 760
PINE CREEK Iowa Fair 1932 6.4 m 760
BR TURKEY CR Iowa Fair 1976 7.0 m 760
BIG SLOUGH CR Iowa Good 2012 33.5 m 760
SILVER CREEK Iowa Fair 1971 48.8 m 760
BRANCH WOLF CREEK Iowa Fair 1993 7.6 m 760
OTTER CREEK Iowa Good 2007 51.8 m 759
BURR OAK CREEK Iowa Fair 1961 9.8 m 758
DRY RUN Iowa Good 1966 6.7 m 758
DRAINAGE Iowa Fair 1900 8.5 m 758
DEER CREEK Iowa Good 1992 12.2 m 757
PLATTE RIVER Iowa Fair 1979 39.0 m 757
SILVER CREEK Iowa Fair 1964 46.9 m 757
E NISHNABOTNA RIVER Iowa Fair 1957 99.1 m 757
SOUTH RACCOON RIVER Iowa Fair 1951 97.5 m 757
DEER CREEK Iowa Good 2023 28.3 m 756
GRANGER CREEK Iowa Good 2019 81.2 m 756
SOUTH FORK CATFISH CREEK Iowa Poor 1926 17.7 m 756
LAKE CREEK Iowa Fair 1996 39.0 m 755
RALSTON CREEK S. BRANCH Iowa Good 2005 13.1 m 754
STREAM Iowa Fair 1975 7.3 m 754
RALSTON CREEK Iowa Poor 1910 8.5 m 754
US 30 Iowa Good 2024 90.2 m 752
WALNUT CREEK Iowa Poor 1967 50.0 m 750
STREAM Iowa Fair 1956 37.2 m 750

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.