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Sidney Rd (co 510) over Fish Creek

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

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

Sidney Rd (co 510) over Fish Creek in Montcalm 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 1986, making it 39 years old at the 2025 inventory.
It carries about 1,141 vehicles a day (traffic count year 2021).
Its listed owner is the county highway agency.
It is one of 45 of the 121 inventoried bridges in Montcalm County rated good (37.2%); 7 (5.8%) 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 40 ft
Location	0.1 E. of Cedar Lake Rd.
NBI structure number	000000000007458
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
US-131SB & M-46sb over Tamarack Creek	1972	26,700	Fair
US-131NB & M-46nb over Tamarack Creek	1972	26,700	Fair
US-131 & M-46 SB over Kendaville Rd	1971	26,700	Fair
US-131 & M-46 NB over Kendaville Rd	1971	26,700	Fair
M-57 over Flat River	1948	11,727	Good
M-91 over Flat River	1994	11,433	Fair