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Riverside Drive over Little Munuscong R

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

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

Riverside Drive over Little Munuscong R in Chippewa 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 1977, making it 48 years old at the 2025 inventory.
It carries about 111 vehicles a day (traffic count year 1986).
Its listed owner is the county highway agency.
It is one of 13 of the 112 inventoried bridges in Chippewa County rated poor (11.6%); 13 (11.6%) 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	Continuous prestressed concrete multiple box beam
Length	about 125 ft
Location	17 Mi S of Sault Ste Mari
NBI structure number	000000000001629
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
I-75 BS\|3 Mile Rd over I-75 NB	1962	15,700	Fair
I-75 Bs (ashmun) over Power Canal	1934	10,180	Fair
Easterday Ave. over Ashmun Creek	1994	8,347	Good
Easterday Ave over I-75 NB	1962	7,774	Fair
West Portage Ave. over Power Canal	1970	7,637	Fair
Spruce St. over Power Canal	1983	5,995	Fair