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20 Mile Road over N Br Chippewa River

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

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

20 Mile Road over N Br Chippewa River in Mecosta 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 1956 and reconstructed in 2013, making it 69 years old at the 2025 inventory.
It carries about 1,943 vehicles a day (traffic count year 2020).
Its listed owner is the county highway agency.
It is one of 30 of the 80 inventoried bridges in Mecosta County rated good (37.5%); 3 (3.8%) 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 44 ft
Location	Barryton Mich
NBI structure number	000000000006764
Condition class	Good

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