Home › Michigan › Isabella County › Denver Road over North Br Salt River

Denver Road over North Br Salt River

Isabella County, Michigan · rated Poor in the 2025 National Bridge Inventory

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

Denver Road over North Br Salt River in Isabella County, Michigan, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 4 (poor condition) on the 0-9 scale.
It was built in 1937, making it 88 years old at the 2025 inventory.
It carries about 185 vehicles a day (traffic count year 2002).
Its listed owner is the county highway agency.
It is one of 26 of the 183 inventoried bridges in Isabella County rated poor (14.2%); 26 (14.2%) are rated poor.
A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

Component ratings


Structure	Steel stringer or multi-beam girder
Length	about 54 ft
Location	Sec 4-9 Denver Twp
NBI structure number	000000000004352
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
Pickard Avenue over Chippewa River	1979	16,211	Fair
M-20 over Chippewa River	1996	10,842	Good
US-127 NB over Little Salt River	1961	10,457	Fair
US-127 SB over Little Salt River	1961	10,457	Fair
Mission Road over Ann Arbor Railroad	2005	9,200	Good
Mission Road over North Br Chippewa River	2008	9,019	Good