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I-75 NB over Red Run Drain Path

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

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

I-75 NB over Red Run Drain Path in Oakland County, Michigan, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 7 (good condition) on the 0-9 scale.
It was built in 2022, making it 3 years old at the 2025 inventory.
It carries about 78,894 vehicles a day (traffic count year 2007).
Its listed owner is the state highway agency.
It is one of 215 of the 513 inventoried bridges in Oakland County rated good (41.9%); 35 (6.8%) 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	Steel stringer or multi-beam girder
Length	about 225 ft
Location	In Madison Hts
NBI structure number	000000000008041
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
I-696 over I-75 & 4 Ramps	1971	209,200	Poor
I-696 over N Service Rd	1971	209,200	Fair
I-696 over N-s Service Road	1982	192,100	Fair
I-96 EB over 9 Mile Rd	1971	182,700	Fair
I-96 WB over 9 Mi Rd	1972	182,700	Fair
I-696 over Drake Rd	1960	180,375	Good