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
BRANCH DES MOINES RIVER Iowa Good 2006 6.4 m 1,500
IA NR RR Iowa Fair 1936 41.8 m 1,500
ODEBOLT CREEK Iowa Fair 1994 29.9 m 1,500
CLEAR CREEK Iowa Good 1978 11.9 m 1,500
CLEAR CREEK Iowa Fair 1979 10.1 m 1,500
HOOSIER CREEK Iowa Fair 1900 46.6 m 1,500
ELKHORN CREEK Iowa Good 2003 57.3 m 1,500
IOWAY CREEK Iowa Fair 1976 61.0 m 1,496
DRAINAGE DITCH Iowa Poor 1978 10.7 m 1,494
CREEK Iowa Fair 1970 16.8 m 1,493
BUCK CREEK Iowa Fair 1980 43.3 m 1,493
WOLF CREEK Iowa Fair 1982 39.0 m 1,493
WAPSIPINCON RIVER Iowa Fair 1969 106.1 m 1,493
UNIV BR DRY RUN Iowa Good 2019 8.8 m 1,493
US 30 Iowa Good 2024 77.7 m 1,490
DRAINAGE DITCH Iowa Good 1985 8.2 m 1,490
TRIBUTARY ENGLISH RIVER Iowa Fair 1985 34.4 m 1,490
ELK RIVER Iowa Good 2002 39.9 m 1,490
MIDDLE SOLDIER RIVER Iowa Fair 1957 65.5 m 1,490
OVER RR SPUR (DME RR) Iowa Good 1996 62.2 m 1,490
ENGLISH RIVER Iowa Fair 1984 45.7 m 1,490
ELM CREEK Iowa Good 1988 11.3 m 1,490
ASHER CREEK Iowa Good 1957 46.9 m 1,490
TRIBUTARY ENGLISH RIVER Iowa Fair 1985 40.8 m 1,490
PINE CREEK Iowa Fair 1973 56.1 m 1,490
DRAINAGE DITCH Iowa Good 1959 7.6 m 1,490
DRAINAGE DITCH #9 Iowa Good 1990 25.3 m 1,490
STREAM Iowa Fair 1957 7.6 m 1,490
CHICKEN CREEK Iowa Fair 1957 9.8 m 1,490
WOLF CREEK Iowa Fair 2006 57.6 m 1,490
DRAINAGE DITCH Iowa Good 1987 7.6 m 1,490
COON CREEK Iowa Fair 1997 35.1 m 1,490
MARBLE CREEK Iowa Good 1955 11.4 m 1,490
SUGAR CREEK Iowa Fair 1966 25.0 m 1,490
DRAINAGE DITCH Iowa Fair 1977 6.4 m 1,490
SMALL NATURAL STREAM Iowa Good 2019 10.7 m 1,489
WAPSINONOC CREEK Iowa Fair 1960 8.8 m 1,488
DRAINAGE DITCH Iowa Good 2002 6.1 m 1,488
FLOYD RIVER Iowa Good 1990 91.4 m 1,487
CREEK Iowa Fair 1963 6.4 m 1,483
TURKEY RIVER Iowa Fair 1964 98.9 m 1,483
DRAINAGE DITCH Iowa Fair 1984 29.9 m 1,482
SNYDER CREEK Iowa Fair 1978 23.8 m 1,480
MUDDY CREEK Iowa Fair 2012 15.9 m 1,480
STREAM Iowa Fair 1952 11.0 m 1,480
HURTZELL RUN CREEK Iowa Fair 1973 25.3 m 1,478
SO RACCOON RIVER Iowa Fair 1993 109.7 m 1,474
BRANCH SALT CREEK Iowa Good 1979 57.6 m 1,470
SPRING CREEK Iowa Good 1994 7.6 m 1,470
WAPSIPINICON RIVER Iowa Fair 1984 142.0 m 1,470

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.