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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
DRY CREEK Iowa Fair 2000 34.1 m 14,100
DESMOINES RVR & BIRDLAND Iowa Good 1966 166.4 m 14,033
RALSTON CREEK Iowa Poor 1972 25.3 m 14,025
DRY CREEK Iowa Good 2023 7.9 m 14,000
STREAM Iowa Poor 1926 10.4 m 14,000
50TH STREET Iowa Fair 1963 34.7 m 14,000
SERGEANT ROAD Iowa Fair 1978 49.1 m 14,000
I-380 & CCP RR Iowa Fair 1982 217.6 m 14,000
FLAT CREEK Iowa Good 2023 7.6 m 14,000
WANATEE CREEK Iowa Fair 1995 14.0 m 14,000
DRY CREEK Iowa Good 1972 7.6 m 14,000
RICHARDS CREEK Iowa Good 1963 6.4 m 14,000
CENTER POINT RD Iowa Fair 1981 50.9 m 14,000
SERGEANT ROAD Iowa Fair 1978 49.1 m 14,000
DRAINAGE DITCH Iowa Good 2023 11.6 m 14,000
UP RR Iowa Good 2023 73.8 m 14,000
DRY CREEK Iowa Good 2023 7.6 m 14,000
DRY CREEK Iowa Good 2023 7.9 m 14,000
PROPOSED RD. Iowa Fair 1978 42.1 m 13,850
PROPOSED RD. Iowa Fair 1978 42.1 m 13,850
MUD CREEK Iowa Good 1974 11.9 m 13,800
UNIVERSITY AVE Iowa Good 1993 88.1 m 13,800
DRY RUN CREEK Iowa Good 1993 11.0 m 13,800
CLEAR CREEK Iowa Good 2023 76.8 m 13,800
I 80 WB TO US 218 SB Iowa Good 2023 48.2 m 13,800
REST AREA ROAD Iowa Fair 1994 182.6 m 13,800
CLEAR CREEK Iowa Good 2021 79.1 m 13,800
DRAINAGE Iowa Good 1997 6.4 m 13,800
I-35 & I-80 Iowa Good 1994 84.7 m 13,750
JORDON CREEK Iowa Good 1992 11.6 m 13,750
VIRGINIA ST Iowa Good 2017 72.2 m 13,700
IA 12 SB VIRGINIA ST Iowa Good 2019 72.2 m 13,700
SR V18 Iowa Fair 1963 41.8 m 13,600
IOWA 21 Iowa Fair 1963 41.8 m 13,550
US 63 Iowa Fair 1964 69.2 m 13,550
KEOSAUQUA Iowa Fair 1987 32.3 m 13,517
RALSTON CREEK Iowa Fair 1932 18.6 m 13,500
STREAM Iowa Good 1999 9.4 m 13,500
POYNER CREEK Iowa Good 1983 49.7 m 13,450
POYNER CREEK Iowa Fair 1983 49.7 m 13,450
CLEAR CREEK Iowa Good 2022 76.8 m 13,450
IOWA SPEEDWAY DR Iowa Fair 1962 43.0 m 13,450
IA 146 Iowa Good 2020 76.2 m 13,450
I 80 WB TO US 218 SB Iowa Good 2022 48.2 m 13,450
I-35 Iowa Fair 1991 67.7 m 13,374
UP RR Iowa Good 2020 67.7 m 13,350
SR V18 Iowa Fair 1963 41.8 m 13,350
TRI-VIEW & BNSF RR Iowa Fair 2012 62.5 m 13,300
LINN CREEK Iowa Good 1985 74.1 m 13,300
UP RR MADISON&MARKET ST Iowa Fair 1985 262.7 m 13,300

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.