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
STREAM Iowa Good 2012 7.3 m 270
SUGAR CREEK Iowa Fair 1954 39.3 m 270
STREAM Iowa Poor 1981 19.2 m 270
SUGAR CREEK Iowa Poor 1950 21.0 m 270
SMALL STREAM Iowa Poor 1925 6.7 m 270
WALNUT CREEK Iowa Fair 1992 43.0 m 270
NO NAME CREEK Iowa Fair 1968 23.5 m 270
INDIAN CREEK Iowa Poor 1957 32.9 m 270
WALNUT CREEK Iowa Good 1992 6.4 m 270
HARDIN CREEK Iowa Fair 1961 31.1 m 270
SMALL Iowa Good 2004 8.2 m 270
FARM CREEK Iowa Fair 1968 50.3 m 270
CREEK Iowa Poor 1983 12.2 m 269
HURTZEL RUN Iowa Poor 1900 9.8 m 269
WATERWAY Iowa Good 2015 43.3 m 269
LIZARD CREEK Iowa Poor 1968 10.1 m 268
DD #63 Iowa Good 2003 7.9 m 267
E FORK DES MOINES RIVER Iowa Good 2012 46.0 m 267
MAPLE RIVER Iowa Fair 1978 63.1 m 267
BNSF RR Iowa Good 2019 60.0 m 267
WALNUT CREEK Iowa Good 2018 46.0 m 266
WALNUT CREEK Iowa Good 2007 45.7 m 266
BRANCH OF RICHLAND CREEK Iowa Fair 1994 6.1 m 265
DRAINAGE DITCH Iowa Good 2005 7.0 m 265
DES MOINES RIVER Iowa Fair 1955 185.0 m 265
TURKEY RIVER Iowa Good 1995 47.9 m 265
ROCK CREEK Iowa Fair 1961 10.4 m 265
RICHLAND CREEK Iowa Good 1996 39.0 m 265
BIG MINERVA CREEK Iowa Poor 1967 46.6 m 265
CLEAR CREEK Iowa Good 2006 50.0 m 265
BEAVER CREEK BRANCH Iowa Poor 1932 6.4 m 265
BR IOWA RIVER Iowa Good 2024 34.4 m 265
UPPER IOWA RIVER Iowa Fair 1967 91.4 m 265
CANOE CREEK BRANCH Iowa Fair 1971 8.5 m 265
DRAINAGE DITCH Iowa Good 1999 8.5 m 265
LITTLE WAPSIPINICON RVR Iowa Poor 1961 51.8 m 265
STREAM Iowa Fair 1960 10.1 m 265
DRAINAGE DITCH Iowa Fair 1960 10.1 m 265
BEAVER CREEK Iowa Fair 1974 31.4 m 265
UPPER IOWA RIVER Iowa Good 1976 87.8 m 265
STREAM Iowa Fair 1961 13.1 m 265
CANOE CREEK BRANCH Iowa Fair 1971 12.8 m 265
MUD CREEK Iowa Poor 1967 21.3 m 265
BADGER CREEK Iowa Good 2017 27.4 m 264
ELK CREEK Iowa Good 2022 8.8 m 264
DEER CREEK Iowa Good 2002 39.0 m 264
DD #2 & 36 Iowa Poor 1974 9.1 m 264
BIG CREEK TRIBUTARY Iowa Fair 1931 6.1 m 264
MUD CREEK Iowa Fair 1936 11.6 m 264
FOUR MILE CREEK TRIBUTAR Iowa Fair 1975 6.7 m 264

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.