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Park Street over Boyne River

Charlevoix County, Michigan · rated Fair in the 2025 National Bridge Inventory

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

Park Street over Boyne River in Charlevoix County, Michigan, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1991, making it 34 years old at the 2025 inventory.
It carries about 5,000 vehicles a day (traffic count year 2004).
Its listed owner is a city or municipal highway agency.
It is one of 9 of the 18 inventoried bridges in Charlevoix County rated fair (50.0%); 2 (11.1%) are rated poor.
A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

Component ratings


Structure	Prestressed concrete multiple box beam
Length	about 41 ft
Location	0.10 W M-75 In Boyne City
NBI structure number	000000000001486
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US-31 over Pine River	1949	15,321	Fair
US-131 over Boyne River	1947	6,736	Fair
M-75\|s East St over Boyne River	1974	6,546	Fair
M-32\|water St over S Arm Lake Charlevoix	1959	4,600	Fair
Lake Street over Boyne River	1959	3,000	Fair
M-32\|maple St over Deer Creek	1949	2,665	Fair