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Ida Center Rd over US-23

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

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

Ida Center Rd over US-23 in Monroe 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 5 (fair condition) on the 0-9 scale.
It was built in 1958, making it 67 years old at the 2025 inventory.
It carries about 1,030 vehicles a day (traffic count year 1974).
Its listed owner is the state highway agency.
It is one of 166 of the 299 inventoried bridges in Monroe County rated fair (55.5%); 40 (13.4%) 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	Continuous concrete tee beam
Length	about 201 ft
Location	4.6 Mi N of US-223
NBI structure number	000000000007108
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I-75 over Conrail Raisin R Front	1955	67,800	Poor
I-75 over NS & Cn Railroad	1956	65,200	Good
I-75 over Norfolk Southern RR	1955	65,200	Fair
I-75 over Sandy Creek Rd	1955	65,200	Fair
I-75 over Paper Co Water Mains	1955	63,962	Fair
I-75 over Norfolk Southern RR	1955	63,962	Fair