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Ia 1 over Des Moines River

Van Buren County, Iowa · rated Good in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

Ia 1 over Des Moines River in Van Buren County, Iowa, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
It was built in 2007, making it 18 years old at the 2025 inventory.
It carries about 2,270 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 37 of the 155 inventoried bridges in Van Buren County rated good (23.9%); 49 (31.6%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings


Structure	Continuous steel stringer or multi-beam girder
Length	about 685 ft
Location	3.9 mi. N of jct. IA 2
NBI structure number	000000000050181
Condition class	Good

Source: FHWA National Bridge Inventory, 2025 data as reported by the Iowa department of transportation.

Bridge	Built	Vehicles/day	Condition
Ia 1 & Ia 16 over Little Lick Creek	1967	2,320	Fair
Ia 2 over Des Moines River	2012	1,440	Good
Ia 2 over Rock Creek	1925	1,340	Fair
Ia 2 over Stream	1960	1,330	Fair
Ia 2 over White Oak Creek	1925	1,320	Fair
Ia 16 over Stump Creek	2003	1,190	Good