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I-75 Bl|m-93 over I-75 NB

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

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

I-75 Bl|m-93 over I-75 NB in Crawford 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 1961, making it 64 years old at the 2025 inventory.
It carries about 1,450 vehicles a day (traffic count year 2021).
Its listed owner is the state highway agency.
It is one of 40 of the 55 inventoried bridges in Crawford County rated fair (72.7%); 6 (10.9%) 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	Steel stringer or multi-beam girder
Length	about 166 ft
Location	@ I-75 M-93 Jct
NBI structure number	000000000002046
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I-75bl\|m-72\|n Jame over Au Sable River	1935	13,375	Fair
M-72\|m-93 over Au Sable River	1993	11,731	Fair
I-75 SB over S Grayling Rd	1970	11,000	Fair
I-75 NB over S Grayling Rd	1970	11,000	Fair
I-75 NB over E Br Au Sable River	1961	9,772	Fair
I-75 NB over Lewiston Grade Road	1961	9,772	Fair