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Acorn Rd. over Mink CR

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

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

Acorn Rd. over Mink CR in Fayette County, Iowa, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1970, making it 55 years old at the 2025 inventory.
It carries about 44 vehicles a day (traffic count year 2022).
Its listed owner is the county highway agency.
It is one of 140 of the 362 inventoried bridges in Fayette County rated fair (38.7%); 97 (26.8%) 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 52 ft
Location	093072404
NBI structure number	000000000151030
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Ia 150 over Otter Creek	1979	5,400	Fair
Ia 3 & 150 over Otter Creek	1986	3,930	Fair
Ia 150 over Unnamed Creek	1928	3,290	Fair
Ia 150 over Stream	1969	3,290	Good
US 18 over Glover Creek	1976	3,110	Good
US 18 over Stream	1963	3,050	Fair