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Herbison Road over Looking Glass River

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

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

Herbison Road over Looking Glass River in Clinton County, Michigan, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 2011, making it 14 years old at the 2025 inventory.
It carries about 449 vehicles a day (traffic count year 2009).
Its listed owner is the county highway agency.
It is one of 153 of the 215 inventoried bridges in Clinton County rated fair (71.2%); 34 (15.8%) 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 115 ft
Location	Between the Forest Hills
NBI structure number	000000000002019
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US-127 NB over Ferdun Creek	1957	88,500	Fair
US-127 SB over Coleman Rd	1971	41,300	Fair
US-127 NB over Coleman Rd	1971	41,300	Fair
I-96 over Husted & Landenburg Drn	1957	38,938	Fair
I-69 over Chandler Drain	1973	37,978	Fair
I-69 over Chandler Drain	1973	37,978	Fair