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Squirrel Rd SB over M-59

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

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

Squirrel Rd SB over M-59 in Oakland 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 1999, making it 26 years old at the 2025 inventory.
It carries about 17,560 vehicles a day (traffic count year 2021).
Its listed owner is the state highway agency.
It is one of 263 of the 513 inventoried bridges in Oakland County rated fair (51.3%); 35 (6.8%) 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 358 ft
Location	Pontiac Twp Sec 25
NBI structure number	000000000012831
Condition class	Fair

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