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No Data Entered over Carp River

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

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

No Data Entered over Carp River in Mackinac 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 9 (excellent condition) on the 0-9 scale.
It was built in 2024, making it 1 years old at the 2025 inventory.
It carries about 50 vehicles a day.
It is one of 17 of the 63 inventoried bridges in Mackinac County rated good (27.0%); 10 (15.9%) are rated poor.
Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
It does not appear under this structure number in the 2024 inventory (a new or renumbered structure).
Its most recent inspection on record is dated September 2024, on a 24-month routine inspection cycle.
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	Timber slab
Length	about 54 ft
Location	Section 32 T43N R5W
NBI structure number	091005000034768
Condition class	Good
Traffic status (item 41)	Open, no restriction
Last inspection (item 90)	September 2024
Inspection interval (item 91)	24 months
Scour (item 113)	6: scour evaluation not yet made

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