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Carl Worth Rd FH40 over Little Brevort River

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

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

Carl Worth Rd FH40 over Little Brevort River in Mackinac 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 2013, making it 12 years old at the 2025 inventory.
It carries about 480 vehicles a day (traffic count year 2015).
Its listed owner is the county highway agency.
It is one of 36 of the 63 inventoried bridges in Mackinac County rated fair (57.1%); 10 (15.9%) 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 multiple box beam
Length	about 37 ft
Location	4.0 Mi E of US-2
NBI structure number	000000000005977
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Us-2\|i-75 Bl over I-75 NB	1957	7,550	Fair
US-2 over Cut River	1947	4,450	Fair
US-2 over Brevort River	2019	4,400	Good
I-75 SB over Carp River	1964	4,400	Fair
I-75 SB over Mackinac Trail	1963	4,400	Fair
I-75 Bl over I-75 NB	1960	4,350	Fair