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M-14 over US-23 Br Huron River Drv

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

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

M-14 over US-23 Br Huron River Drv in Washtenaw County, Michigan, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 2000, making it 25 years old at the 2025 inventory.
It carries about 39,963 vehicles a day (traffic count year 2014).
Its listed owner is the state highway agency.
It is one of 151 of the 262 inventoried bridges in Washtenaw County rated fair (57.6%); 47 (17.9%) 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 single box beam
Length	about 208 ft
Location	In Ann Arbor
NBI structure number	000000000010957
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I-94 over Huron River	1971	102,776	Fair
I-94 over Aa RR	1954	78,348	Fair
I-94 over Honey Creek	2000	77,206	Fair
US-23 over Horseshoe Lake Drain	1956	66,750	Fair
Gotfredson Road over M-14	1975	65,500	Fair
M-14 & US-23 Br over Mdot RR Cor & Huron Rvr	1956	59,888	Fair