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20TH Ave over Chippewa River

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

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

20TH Ave over 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 8 (very good condition) on the 0-9 scale.
It was built in 2018, making it 7 years old at the 2025 inventory.
It carries about 160 vehicles a day (traffic count year 2019).
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 76 ft
Location	0.1 Mi N of 19 Mile Road
NBI structure number	000000000006777
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