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Grow Rd Co 585 over Dickerson Creek

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

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

Grow Rd Co 585 over Dickerson 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 8 (very good condition) on the 0-9 scale.
It was built in 2010, making it 15 years old at the 2025 inventory.
It carries about 304 vehicles a day (traffic count year 2010).
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 49 ft
Location	0.80 N of Co Line
NBI structure number	000000000007472
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