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County Road I 18 over Rapid River

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

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

County Road I 18 over Rapid River in Delta 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 2014, making it 11 years old at the 2025 inventory.
It carries about 158 vehicles a day (traffic count year 2021).
Its listed owner is the county highway agency.
It is one of 34 of the 86 inventoried bridges in Delta County rated good (39.5%); 0 (0.0%) 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 67 ft
Location	3 Mi N of Rapid River
NBI structure number	000000000002166
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
Us-2\|us-41\|m-35 over Escanaba River	2016	21,906	Good
Us-2\|us-41 over Portage Creek	1928	14,094	Fair
US-2 US-41 over Ford River	1941	13,600	Fair
Us-2\|us-41 over Willow Creek	1979	12,255	Fair
US-2 over Tacoosh River	1990	8,505	Fair
US-2 over Rapid River	1931	8,505	Fair