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
STONY CREEK Iowa Poor 1990 31.4 m 315
UNNAMED CREEK Iowa Fair 1925 7.3 m 314
TURKEY RIVER Iowa Fair 1978 99.8 m 314
STEIN CREEK Iowa Poor 1959 38.7 m 314
TURKEY RIVER Iowa Poor 1953 103.6 m 314
CREEK Iowa Good 2018 9.8 m 314
LITTLE MAQUOKETA RIVER Iowa Good 2006 37.2 m 314
BUFFALO CREEK Iowa Fair 1968 22.9 m 314
TRIB TO SPRING CREEK Iowa Good 2007 27.4 m 314
I-380 Iowa Fair 1984 103.3 m 314
SALT CREEK Iowa Poor 1959 44.5 m 314
BEAVER CREEK Iowa Fair 1970 23.5 m 314
TRIB TO MILLER CREEK Iowa Fair 1974 7.3 m 314
TRIB TO MILLER CREEK Iowa Fair 1974 9.7 m 314
CREEK Iowa Good 2017 28.3 m 314
TURKEY RIVER Iowa Good 1987 89.4 m 314
SMALL STREAM Iowa Fair 1959 11.3 m 314
SOLDIER RIVER Iowa Good 2004 66.1 m 313
SKILLET CREEK Iowa Fair 1965 7.6 m 313
DEDHAM CREEK Iowa Good 1977 34.4 m 311
CARLAN CREEK Iowa Fair 1981 8.2 m 311
BLUEGRASS CREEK Iowa Good 2009 28.3 m 311
IA 5 Iowa Good 1998 72.8 m 310
BEAR CREEK Iowa Good 2012 70.0 m 310
SOUTH CHEQUEST CREEK Iowa Poor 1981 31.4 m 310
BURR OAK CREEK Iowa Fair 1979 7.0 m 310
SMALL Iowa Fair 1983 6.4 m 310
CREEK Iowa Poor 1920 14.3 m 310
DRAINAGE Iowa Good 2016 27.7 m 310
CREEK Iowa Poor 1963 9.1 m 310
SOUTH CHARITON RIVER Iowa Good 1969 86.0 m 310
MIDDLE ENGLISH Iowa Good 2002 35.4 m 310
SOUTH WALKER CREEK Iowa Good 2001 39.0 m 310
ELK RIVER Iowa Poor 1968 38.7 m 310
DRAINAGE DITCH Iowa Fair 1958 7.9 m 310
GOOD WATER CREEK Iowa Fair 1984 10.1 m 310
CEDAR CREEK Iowa Fair 1963 63.1 m 310
WEST SILVER CREEK Iowa Good 2003 47.5 m 310
FOX RIVER Iowa Fair 1974 53.6 m 310
GRITTER CREEK Iowa Fair 1981 6.4 m 310
CHARITON RIVER Iowa Poor 1970 76.8 m 310
SHANCTON CREEK Iowa Poor 1970 6.4 m 310
WEST FORK LITTLE SIOUX Iowa Poor 1969 54.9 m 309
MIDDLE MILL CREEK Iowa Fair 1980 6.7 m 309
KLONDIKE CREEK Iowa Poor 1966 30.5 m 309
EAST RIVER Iowa Good 1990 39.0 m 309
NORTH RIVER Iowa Good 2022 30.8 m 309
BUFFALO CREEK Iowa Poor 1958 26.8 m 309
WEST MILL CREEK Iowa Poor 1979 49.7 m 309
KING CREEK Iowa Good 2007 7.9 m 309

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.