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 2014 34.4 m 960
SAND CREEK Iowa Good 1981 29.9 m 960
BEAVER CREEK Iowa Good 2003 107.9 m 960
OVERFLOW-BEAVER CK Iowa Fair 1994 39.0 m 960
HONEY CREEK Iowa Fair 1968 54.3 m 960
STREAM Iowa Fair 1939 7.0 m 960
FARM CREEK Iowa Good 1995 83.8 m 960
LAWRENCE CREEK Iowa Good 2022 8.8 m 960
SOUTH BIG CREEK Iowa Good 1999 42.4 m 960
SMALL STREAM Iowa Good 1973 8.2 m 960
VOLGA RIVER Iowa Poor 1963 67.1 m 959
US 20 Iowa Fair 1974 95.4 m 959
EAST INDIAN CREEK Iowa Good 2021 24.7 m 957
STREAM Iowa Good 2012 6.4 m 957
SIXMILE CREEK Iowa Good 1973 39.0 m 957
CREEK Iowa Good 2003 27.7 m 957
DD #65 Iowa Fair 1987 16.8 m 957
DRY CREEK Iowa Good 2010 25.3 m 957
INDIAN CREEK Iowa Fair 1976 7.3 m 956
SOUTH FORK BEAVER CREEK Iowa Fair 1980 46.9 m 953
MIDDLE FORK BEAVER CREEK Iowa Fair 1978 35.4 m 953
SNY MAGILL Iowa Fair 1980 48.2 m 953
TROUT RIVER Iowa Poor 1956 52.7 m 953
STREAM Iowa Fair 1972 16.8 m 953
OTTER CREEK Iowa Good 1964 53.6 m 952
CREEK Iowa Good 1958 7.3 m 950
DEEP CREEK Iowa Fair 1968 31.4 m 950
CEDAR RIVER Iowa Poor 1971 213.1 m 950
HARDIN CREEK Iowa Fair 1990 35.7 m 950
US 30WB/US 218NB ON RAMP Iowa Good 2018 123.1 m 950
VILLAGE CREEK Iowa Poor 1961 31.1 m 950
JORDAN CREEK Iowa Fair 1969 6.7 m 948
BEAR CREEK Iowa Good 2003 25.3 m 948
LAKE CREEK Iowa Good 2021 33.8 m 948
PERRY CREEK Iowa Good 2017 7.3 m 948
S FORK IOWA RIVER Iowa Good 2014 31.4 m 943
DRAINAGE DITCH Iowa Good 2012 7.0 m 943
DRAINAGE DITCH Iowa Good 2015 9.1 m 943
RAILROAD CREEK Iowa Good 1977 12.2 m 942
SOUTH BIG CREEK Iowa Fair 1996 35.1 m 940
BIG CREEK Iowa Good 1999 53.6 m 940
BROKEN KETTLE CREEK Iowa Fair 1975 31.4 m 940
SMALL STREAM Iowa Poor 1925 13.7 m 940
STREAM Iowa Good 1975 7.3 m 940
MIDDLE CREEK Iowa Fair 1961 40.2 m 940
LITTLE LICK CREEK Iowa Fair 1989 52.1 m 940
WESTFIELD CREEK Iowa Good 1975 7.6 m 940
CREEK Iowa Fair 1956 46.3 m 940
OTTER CREEK Iowa Fair 1964 34.7 m 939
I-380 Iowa Fair 1975 78.6 m 939

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.