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
BLACK CAT CREEK Iowa Fair 1977 39.3 m 500
CREEK Iowa Fair 1971 8.2 m 500
CREEK Iowa Fair 1971 12.2 m 500
DUCK CREEK Iowa Poor 1950 36.6 m 500
WINN BRANCH WB CREEK Iowa Fair 2003 11.9 m 500
WHITE BREAST Iowa Fair 1988 69.8 m 500
SMALL STREAM Iowa Poor 1964 6.4 m 500
SMALL CREEK Iowa Fair 1950 7.0 m 500
CREEK Iowa Good 2020 37.5 m 500
MUD CREEK Iowa Good 2005 9.8 m 500
COE CREEK Iowa Fair 1972 26.8 m 500
BOONE RIVER Iowa Fair 1964 93.9 m 499
OTTER CREEK Iowa Good 2013 28.0 m 499
SKINAWAY CREEK Iowa Fair 1986 11.9 m 499
WEST CREEK Iowa Good 1987 84.7 m 499
BATTLE CREEK Iowa Fair 1968 6.7 m 499
BATTLE CREEK Iowa Fair 1968 10.1 m 499
UNNAMED CREEK Iowa Fair 1968 10.1 m 499
BATTLE CREEK Iowa Poor 1969 31.1 m 499
EAST FORK BATTLE CREEK Iowa Fair 1968 13.1 m 499
HOG BRANCH Iowa Good 1988 10.7 m 499
EAST SOLDIER RIVER Iowa Good 2023 45.7 m 499
CROOKED CREEK Iowa Fair 1950 13.7 m 499
I-35 Iowa Fair 1968 95.4 m 499
WHITE OAK CREEK Iowa Good 2011 8.1 m 499
WEST NODAWAY RIVER Iowa Good 1942 64.9 m 499
BR SPRUCE CREEK Iowa Fair 1998 18.3 m 499
WEST OTTER CREEK DD 26 Iowa Good 2007 23.8 m 498
SOLDIER RIVER Iowa Fair 1957 68.0 m 497
DRAINAGE DITCH Iowa Fair 1955 7.3 m 491
VOLGA RIVER Iowa Poor 1960 91.4 m 491
WAPSIPINICON RIVER Iowa Fair 1964 106.1 m 491
DRAINAGE DITCH Iowa Fair 1955 9.1 m 491
VOLGA RIVER Iowa Fair 1956 23.8 m 491
ELK CREEK Iowa Poor 1964 16.8 m 491
DOWD CREEK Iowa Poor 1972 38.7 m 491
FLOOD CREEK Iowa Poor 1975 35.4 m 491
TURKEY RIVER Iowa Fair 1957 63.1 m 491
BRANCH OF IOWA RIVER Iowa Poor 1936 12.5 m 491
BRANCH OF IOWA RIVER Iowa Good 2020 7.6 m 491
YELLOW RIVER Iowa Fair 1964 17.4 m 491
UP RR Iowa Fair 1982 50.9 m 490
DRAINAGE DITCH Iowa Fair 1954 6.4 m 490
LITTLE WHITEBREAST CREEK Iowa Poor 1974 35.4 m 490
SM STREAM Iowa Poor 1950 7.3 m 490
DRAINAGE Iowa Good 1958 8.2 m 490
ENGLISH RIVER Iowa Fair 1971 68.6 m 490
BROKEN KETTLE CREEK Iowa Fair 1979 61.9 m 490
CROW CREEK Iowa Good 1992 9.1 m 490
CREEK Iowa Poor 1962 10.1 m 490

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.