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Darr Road over S Br Lincoln River

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

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

Darr Road over S Br Lincoln River in Mason 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 167 vehicles a day (traffic count year 2018).
Its listed owner is the county highway agency.
It is one of 21 of the 66 inventoried bridges in Mason County rated good (31.8%); 4 (6.1%) 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 36 ft
Location	4 Mi N 1 Mi E Scottville
NBI structure number	000000000006681
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
Old US-31 over CSX RR	1935	11,200	Good
Old US-31 over Durham Creek	1925	8,600	Fair
Old US-31 over Pere Marquette River	1925	7,076	Fair
Old US-31 over Pere Marquette River	1924	6,828	Fair
US-31 over S Br Lincoln River	1992	6,578	Fair
US-31 over N Br Lincoln River	1992	6,578	Fair