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Finkbeiner Road over Thornapple River

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

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

Finkbeiner Road over Thornapple River in Barry 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 3,896 vehicles a day (traffic count year 2021).
Its listed owner is a city or municipal highway agency.
It is one of 19 of the 69 inventoried bridges in Barry County rated good (27.5%); 15 (21.7%) 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 stringer or multi-beam girder
Length	about 250 ft
Location	W of Whitneyville Rd
NBI structure number	000000000013493
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
M-43 over Thornapple River	1963	12,750	Fair
M-37 over Duncan Creek	1957	10,700	Fair
Main Street over Thornapple River	2015	8,000	Good
Michigan Ave over Thornapple River	2012	7,215	Good
M-66 over Thornapple River	1999	6,177	Fair
M-66 over Quaker Brook	2019	6,083	Good