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
WALNUT CREEK Iowa Good 2015 52.1 m 222
WALNUT CREEK Iowa Good 2015 52.1 m 222
BOONE RIVER Iowa Good 2004 62.2 m 220
SOUTH SKUNK RIVER Iowa Fair 1969 166.1 m 220
SILVER CREEK Iowa Good 2009 43.6 m 220
BIG SLOUGH CREEK Iowa Fair 1982 12.2 m 220
EAST CEDAR CREEK Iowa Poor 1968 31.1 m 220
US 218 Iowa Good 1997 87.8 m 220
DRAINAGE Iowa Poor 1900 16.2 m 220
I 80 Iowa Good 2023 89.9 m 220
NORTH SKUNK RIVER Iowa Good 2014 143.6 m 220
SMALL STREAM Iowa Fair 1974 32.6 m 220
JACK CREEK Iowa Good 2011 7.6 m 219
STREAM Iowa Good 2006 23.8 m 219
GRAND RIVER Iowa Good 2018 111.6 m 219
SAND CREEK Iowa Good 2019 46.0 m 219
DD 181 BIG CEDAR Iowa Poor 1938 37.2 m 219
DD NO. 976 Iowa Fair 1938 16.2 m 219
SKUNK RIVER Iowa Good 2011 78.9 m 219
DD NO. 1 Iowa Fair 1964 17.4 m 219
BEAVER CREEK Iowa Fair 1973 38.1 m 219
WEST WOLF CREEK Iowa Good 2014 6.4 m 219
SILVER CREEK Iowa Fair 2014 31.0 m 219
SOUTH RACCOON RIVER Iowa Fair 1969 55.2 m 219
INDIAN CREEK Iowa Fair 1971 38.1 m 219
LITTLE TARKIO Iowa Poor 1958 31.4 m 219
CREEK Iowa Good 2005 12.2 m 219
CREEK Iowa Poor 1962 8.2 m 219
SOLDIER RIVER Iowa Good 1971 54.3 m 219
OCHEYEDAN RIVER Iowa Fair 1976 58.5 m 219
SMALL CREEK Iowa Fair 1958 21.3 m 219
TARKIO CREEK Iowa Poor 1955 46.6 m 219
TARKIO CREEK TRIB Iowa Poor 1959 29.0 m 219
W FORK GRAND RIVER Iowa Poor 1956 77.4 m 219
SMALL WATERWAY Iowa Good 1993 6.1 m 219
STREAM Iowa Fair 1966 7.9 m 219
WEST BR INDIAN CREEK Iowa Good 2004 57.3 m 219
DRAINAGE Iowa Poor 1930 6.1 m 219
NO NAME CREEK Iowa Good 2011 28.3 m 219
WILLOW CREEK Iowa Fair 1963 21.6 m 219
WEST LONG CREEK Iowa Good 2021 27.7 m 219
WELCH CREEK Iowa Good 1991 8.8 m 219
BEAR CREEK Iowa Fair 1979 25.0 m 219
TRINKLE CREEK Iowa Good 1977 27.1 m 219
INDIAN CREEK Iowa Fair 1930 13.7 m 217
DRAINAGE DITCH Iowa Poor 1973 9.4 m 216
MUNNS CREEK Iowa Poor 1955 9.1 m 216
EAST OTTER CREEK Iowa Good 2000 7.3 m 216
IOWA RIVER Iowa Poor 1938 100.9 m 216
CREEK Iowa Poor 1934 18.6 m 216

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.