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
BURR OAK CREEK Iowa Good 2011 46.0 m 2,610
STREAM Iowa Fair 1977 31.4 m 2,610
STREAM Iowa Good 1977 25.3 m 2,610
STREAM Iowa Fair 1983 9.8 m 2,610
LITTLE ROCK RIVER Iowa Fair 1975 84.7 m 2,610
STREAM Iowa Good 2001 7.6 m 2,610
CLOSES CREEK Iowa Fair 1900 24.1 m 2,608
EAST FOUR MILE CREEK Iowa Good 2005 12.8 m 2,608
MUD CREEK Iowa Good 2020 7.6 m 2,604
TRIB TO CRANE CREEK Iowa Good 2022 28.7 m 2,600
SMALL STREAM Iowa Fair 1987 7.6 m 2,600
WEST FORK CROOKED CREEK Iowa Good 2016 78.5 m 2,600
DRAINAGE DITCH Iowa Fair 1960 10.1 m 2,600
CRANE CREEK Iowa Good 1966 54.4 m 2,600
STREAM Iowa Fair 1959 6.4 m 2,600
MILLERS CREEK Iowa Fair 1957 12.2 m 2,600
DME RR Iowa Good 2005 88.7 m 2,600
DME RR Iowa Good 2005 88.7 m 2,600
BRANCH ROCK CREEK Iowa Good 1996 8.5 m 2,600
WOLF CREEK Iowa Fair 1960 87.5 m 2,600
SMALL STREAM Iowa Good 1988 34.4 m 2,600
CROW CREEK Iowa Fair 2007 53.3 m 2,600
CROW CREEK Iowa Good 2007 53.3 m 2,600
BR LITTLE OCHEYEDAN Iowa Fair 1974 6.4 m 2,600
BROACHAMP CREEK Iowa Good 1994 7.9 m 2,590
LITTLE SIOUX RIVER Iowa Fair 1976 68.0 m 2,584
EAST BLUE CREEK Iowa Poor 1930 28.0 m 2,583
EAST BLUE CREEK Iowa Fair 1926 8.8 m 2,583
SILVER CREEK Iowa Fair 1974 10.4 m 2,580
STREAM Iowa Good 2010 40.5 m 2,580
OTTER CREEK Iowa Fair 1951 47.2 m 2,580
STREAM Iowa Fair 1978 37.5 m 2,580
OTTER CREEK Iowa Fair 1955 11.6 m 2,580
HAMMERS CREEK Iowa Good 1986 34.4 m 2,580
CHERRY CREEK Iowa Good 2019 43.0 m 2,580
DRY CREEK Iowa Good 1963 38.7 m 2,580
VINTON DITCH Iowa Fair 1980 9.4 m 2,579
LITTLE SIOUX RIVER Iowa Poor 1963 61.9 m 2,573
BRANCH FOUR MILE CREEK Iowa Good 2003 14.0 m 2,571
BLACK CAT CREEK Iowa Good 2022 58.5 m 2,570
STREAM Iowa Fair 1960 7.0 m 2,570
DESMOINES RIVER TRIBUTAR Iowa Good 2020 6.8 m 2,568
CHESLEA CREEK Iowa Fair 1980 21.6 m 2,567
JORDAN CREEK Iowa Good 1974 15.2 m 2,565
OVER CC RR Iowa Fair 1974 95.1 m 2,560
LITTLE SIOUX RIVER Iowa Fair 1930 54.6 m 2,560
SOUTH BR LIZARD CREEK Iowa Fair 1974 40.5 m 2,560
SOUTH WALNUT CREEK Iowa Fair 1969 62.2 m 2,560
MIDDLE WALNUT CREEK Iowa Fair 1969 37.5 m 2,560
CREEK Iowa Good 2013 11.0 m 2,553

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.