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
HONEY DITCH CREEK Iowa Good 1995 43.3 m 139
NODAWAY RIVER Iowa Good 2002 27.7 m 139
MIDDLE NODAWAY RIVER Iowa Fair 1990 39.0 m 139
SMALL STREAM Iowa Good 2009 8.2 m 139
ALLEN CREEK Iowa Poor 1942 31.1 m 139
MILL CREEK Iowa Fair 1977 39.0 m 139
FLOYD RIVER Iowa Good 2005 69.8 m 139
NORTH RIVER Iowa Good 1989 12.2 m 139
PRARIE CREEK Iowa Good 1991 23.8 m 139
SMALL STREAM Iowa Fair 1986 7.3 m 139
NORTH RACCOON RIVER Iowa Fair 1980 126.8 m 139
DRAINAGE DITCH Iowa Fair 1933 7.3 m 139
SMALL STREAM Iowa Fair 1986 7.3 m 139
LITTLE SIOUX RIVER Iowa Fair 1974 30.5 m 139
MIDDLE RIVER Iowa Fair 1987 76.2 m 139
CREEK Iowa Fair 1972 7.9 m 139
SMALL STREAM Iowa Poor 1938 10.7 m 139
BEAVER CREEK Iowa Fair 1920 31.7 m 139
I-29 Iowa Good 1966 69.2 m 139
INDIAN CREEK Iowa Good 2017 31.1 m 139
LITTLE SIOUX Iowa Good 1991 38.1 m 139
W FORK LITTLE SIOUX Iowa Good 2017 34.1 m 139
FIDDLE CREEK Iowa Good 2017 31.1 m 139
SEVEN MILE CREEK Iowa Poor 1974 39.0 m 139
DRAINAGE Iowa Poor 1951 13.7 m 139
SKUNK RIVER Iowa Fair 1939 46.3 m 139
ROCK RIVER Iowa Fair 1969 167.3 m 139
SPRING CREEK Iowa Good 2009 7.0 m 138
PRAIRIE CREEK Iowa Good 1986 69.8 m 137
OTTER CREEK Iowa Fair 1974 27.7 m 137
TISSLE HOLLOW CREEK Iowa Fair 2010 14.3 m 137
SILVER CREEK Iowa Good 1990 34.4 m 137
ELK CREEK Iowa Poor 2001 19.5 m 137
STREAM Iowa Fair 1925 9.4 m 137
BIG BEAR CREEK Iowa Fair 1983 46.0 m 137
TRIB CEDAR R Iowa Fair 1997 14.6 m 137
PAINT CREEK Iowa Fair 1957 53.6 m 137
PAINT CREEK Iowa Poor 1957 21.3 m 137
SILVER CREEK Iowa Good 1983 55.5 m 137
BIKE TRAIL Iowa Good 1995 39.0 m 137
BEAVER CREEK Iowa Good 1987 109.7 m 137
COON CREEK Iowa Fair 1997 11.9 m 137
SMALL STREAM Iowa Good 2018 11.6 m 137
LITTLE WAPSIPINICON Iowa Fair 1965 61.6 m 137
W OTTER CREEK Iowa Good 1983 47.2 m 137
TROUT CREEK BRANCH Iowa Good 1995 27.7 m 137
TROUT CREEK Iowa Good 1995 31.4 m 137
DRAINAGE DITCH Iowa Fair 1954 11.0 m 137
SPRING BRANCH Iowa Good 1982 31.1 m 137
SOUTH HOOSIER CREEK Iowa Fair 1987 14.3 m 137

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.