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FM over Wapsipinicon River

Buchanan County, Iowa · rated Poor in the 2025 National Bridge Inventory

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

FM over Wapsipinicon River in Buchanan County, Iowa, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 4 (poor condition) on the 0-9 scale.
It was built in 1962, making it 63 years old at the 2025 inventory.
It carries about 1,390 vehicles a day (traffic count year 2021).
Its listed owner is the county highway agency.
It is one of 20 of the 320 inventoried bridges in Buchanan County rated poor (6.2%); 20 (6.2%) are rated poor.
A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

Component ratings


Structure	Continuous steel stringer or multi-beam girder
Length	about 351 ft
Location	089100802
NBI structure number	000000000083090
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
I-380 over Mud Creek	1983	17,700	Good
US 20 over Drainage Ditch	1980	10,700	Good
1ST St W over Wapsipinicon River	1917	10,258	Fair
US 20 over Drainage Ditch	1980	10,100	Good
US 20 over Drainage Ditch	1980	10,100	Fair
Ia 150 over Wapsipinicon River	1927	9,000	Fair