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E CR 638 over Grand Lake Outlet

Presque Isle County, Michigan · rated Good in the 2025 National Bridge Inventory

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

E CR 638 over Grand Lake Outlet in Presque Isle County, Michigan, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
It was built in 2018, making it 7 years old at the 2025 inventory.
It carries about 718 vehicles a day (traffic count year 2017).
Its listed owner is the county highway agency.
It is one of 16 of the 37 inventoried bridges in Presque Isle County rated good (43.2%); 4 (10.8%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings


Structure	Prestressed concrete multiple box beam
Length	about 32 ft
Location	0.75 Mi E of US-23
NBI structure number	000000000013943
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
M-68 over Rainy River	1954	3,382	Fair
M-68 over Ocqueoc River	1954	3,382	Fair
US-23 over Swan River	1939	3,242	Good
US-23\|BRADLEY Hwy over Trout River	1939	1,939	Fair
Millerburg Road over Ocqueoc River	1948	1,750	Fair
M-68 over Little Ocqueoc River	1959	1,564	Good