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FM over Wolf Creek

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

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

FM over Wolf Creek in Tama County, Iowa, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
It was built in 1959, making it 66 years old at the 2025 inventory.
It carries about 59 vehicles a day (traffic count year 2022).
Its listed owner is the county highway agency.
It is one of 106 of the 337 inventoried bridges in Tama County rated fair (31.5%); 107 (31.8%) 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	Continuous steel stringer or multi-beam girder
Length	about 202 ft
Location	085151106
NBI structure number	000000000319840
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 Stream	1996	11,500	Good
US 30 WB over Slip Bridge Ramp	2010	7,600	Good
US 30 WB over Salt Creek	2019	6,600	Good
US 30 over Trib to Iowa River	2008	6,500	Good
US 30 WB over Iowa River	2002	5,950	Good
US 30 WB over Iowa River East Overflow	2021	5,950	Good