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
BR OF CHARITON RIVER Iowa Good 1998 11.6 m 230
SOUTH LIZARD CREEK Iowa Poor 1975 39.0 m 230
WEST FORK DD Iowa Poor 1961 63.4 m 229
SANTIAGO CREEK Iowa Good 2022 23.2 m 229
SILVER CREEK Iowa Fair 1975 62.5 m 229
DRAINAGE DITCH 110 Iowa Poor 1963 9.8 m 229
WEST BUTTRICKS CREEK Iowa Fair 1963 22.6 m 229
I-29 Iowa Poor 1958 68.9 m 229
S RIVER Iowa Good 2003 68.9 m 229
WALNUT CREEK Iowa Fair 1969 68.9 m 229
HAITZ DD Iowa Poor 1961 51.5 m 229
SMALL STREAM Iowa Good 2009 6.4 m 229
I-80 Iowa Fair 1958 64.0 m 229
I-80 Iowa Fair 1959 66.8 m 229
PONY CREEK Iowa Fair 1998 11.9 m 229
CREEK Iowa Good 2011 9.1 m 227
SPRING CR Iowa Poor 1967 23.5 m 227
CREEK Iowa Good 2010 7.9 m 227
YELLOW SPRING CREEK Iowa Good 2019 25.3 m 227
TIMBER CREEK Iowa Poor 1977 32.0 m 227
DRAINAGE Iowa Poor 1945 15.2 m 226
BLACKHAWK CREEK BRANCH Iowa Good 1996 7.6 m 226
SHELL ROCK RIVER Iowa Poor 1959 128.3 m 226
SMALL CREEK Iowa Fair 2004 12.5 m 226
LITTLE CEDAR RIVER Iowa Poor 1931 51.5 m 226
WAPSIPINICON RIVER Iowa Good 1985 167.5 m 226
FIELD DRAW Iowa Fair 1981 6.4 m 226
FISH CREEK Iowa Poor 1965 11.9 m 226
SALT CREEK Iowa Good 1998 83.5 m 226
WAPSIPINICON RIVER Iowa Good 1976 84.1 m 226
SMALL CREEK Iowa Fair 1979 38.1 m 226
WALNUT CREEK Iowa Fair 1999 9.1 m 226
HEWITT CREEK Iowa Fair 1983 11.0 m 226
WALNUT CREEK Iowa Poor 1971 8.2 m 226
HEWITT CREEK Iowa Fair 1983 11.0 m 226
BEAVER CREEK Iowa Fair 1980 13.7 m 226
WEST FORK GRAND RIVER Iowa Fair 1977 38.7 m 226
TURTLE CREEK Iowa Good 2014 21.5 m 226
HORTON CREEK Iowa Good 2021 39.9 m 226
TURKEY RIVER Iowa Good 1982 87.8 m 226
DRY RUN CREEK Iowa Poor 1977 39.3 m 226
TROUBLESOME CREEK Iowa Poor 1964 7.3 m 226
SOUTH RIVER Iowa Good 2008 69.8 m 226
MUD CREEK Iowa Fair 1965 21.0 m 225
DRY RUN CREEK Iowa Poor 1900 9.4 m 224
SKUNK RIVER OVERFLOW Iowa Fair 1946 55.5 m 224
SKUNK RIVER Iowa Poor 1954 106.7 m 224
OTTER CREEK Iowa Good 2006 39.0 m 223
PRAIRIE CREEK Iowa Good 2022 10.7 m 223
WEST NODAWAY RIVER Iowa Good 2017 125.6 m 223

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.