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FM over Beaver Creek

Boone County, Iowa · rated Fair in the 2025 National Bridge Inventory

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

FM over Beaver Creek in Boone County, Iowa, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1920 and reconstructed in 2007, making it 105 years old at the 2025 inventory.
It carries about 139 vehicles a day (traffic count year 2022).
Its listed owner is the county highway agency.
It is one of 58 of the 134 inventoried bridges in Boone County rated fair (43.3%); 38 (28.4%) are rated poor.
A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

Component ratings


Structure	Steel stringer or multi-beam girder
Length	about 104 ft
Location	082283409
NBI structure number	000000000077261
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US 30 over Noah Creek	1962	8,800	Fair
US 30 over Honey Creek	1962	8,800	Fair
US 30 & 169 over East Beaver Creek	1962	5,900	Good
Ia 17 over Big Creek	1961	5,300	Fair
Ia 17 over US 30	1968	4,960	Fair
US 30 EB over Des Moines River	1963	4,400	Fair