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Lansdowne Rd over Williams Lake Canal

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

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

Lansdowne Rd over Williams Lake Canal 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 deck, rated 5 (fair condition) on the 0-9 scale.
It was built in 1990, making it 35 years old at the 2025 inventory.
It carries about 1,200 vehicles a day (traffic count year 2016).
Its listed owner is the county 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 24 ft
Location	N of Hatchery Rd
NBI structure number	000000000008212
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