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Carson Hwy over Beaver Creek

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

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

Carson Hwy over Beaver Creek in Lenawee County, Michigan, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 3 (serious condition) on the 0-9 scale.
It was built in 1962, making it 63 years old at the 2025 inventory.
It carries about 1,775 vehicles a day (traffic count year 2019).
Its listed owner is the county highway agency.
It is one of 26 of the 225 inventoried bridges in Lenawee County rated poor (11.6%); 26 (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	Prestressed concrete multiple box beam
Length	about 44 ft
Location	0.1 Mi E of Bent Oak Hwy
NBI structure number	000000000005617
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
M-52 over Beaver Creek	1919	18,099	Fair
M-52 over S Br Raisin River	1948	17,411	Fair
US-223 over Norfolk Southern RR	1941	16,443	Poor
US-223 over Raisin River	1940	13,979	Fair
Bentoak Ave over S Branch Raisin River	1952	13,600	Fair
US-223 over Mdot RR Cor & M-34	2006	13,595	Fair