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Old US-27 over Wolf Creek

Roscommon County, Michigan · rated Good in the 2025 National Bridge Inventory

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

Old US-27 over Wolf Creek in Roscommon County, Michigan, 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 1935 and reconstructed in 2008, making it 90 years old at the 2025 inventory.
It carries about 1,276 vehicles a day (traffic count year 2020).
Its listed owner is the county highway agency.
It is one of 8 of the 42 inventoried bridges in Roscommon County rated good (19.0%); 0 (0.0%) 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	Prestressed concrete multiple box beam
Length	about 40 ft
Location	Section 15/16 T21N R4W
NBI structure number	000000000009031
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
M-18\|m-55\|w Hought over Denton Creek	1959	11,420	Fair
County Rd 100\|SUNS over I-75 SB	1971	9,280	Fair
County Rd 100\|SUNS over I-75 NB	1971	9,280	Fair
M-55 EB Ramp over I-75 NB	1971	7,828	Fair
M-55 WB over I-75 NB	1971	7,828	Fair
I-75 Sb\|m-55 EB over Old 76\|S Saint Helen Rd	1971	7,800	Fair