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Jefferson Road over Little Muskegon River

Mecosta County, Michigan · rated Fair in the 2025 National Bridge Inventory

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

Jefferson Road over Little Muskegon River in Mecosta County, Michigan, 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 1969, making it 56 years old at the 2025 inventory.
It carries about 1,300 vehicles a day (traffic count year 2019).
Its listed owner is the county highway agency.
It is one of 47 of the 80 inventoried bridges in Mecosta County rated fair (58.8%); 3 (3.8%) 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	Prestressed concrete multiple box beam
Length	about 63 ft
Location	East of Morley
NBI structure number	000000000006757
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US-131 SB over 3 Mile Road	1979	20,300	Good
US-131 NB over 3 Mile Road	1979	20,300	Fair
US-131 SB over Little Muskegon River	1979	20,200	Fair
US-131 NB over Little Muskegon River	1979	20,200	Fair
US-131 SB over Muskegon River	1983	18,000	Fair
US-131 NB over Muskegon River	1982	18,000	Fair