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Bridge conditions in Oakland County, Michigan

513 inventoried bridges · 35 rated poor · 2025 National Bridge Inventory

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

The federal inventory lists 513 bridges in Oakland County: 215 rated good, 263 fair, and 35 poor.

35 of the 513 bridges in Oakland County, Michigan, are rated in poor condition (6.8%) in the 2025 National Bridge Inventory, as of August 20, 2026.
215 bridges (41.9%) are rated good and 263 (51.3%) fair.
The median Oakland County bridge was built in 1983.
The busiest poor-rated bridge is I-696 over I-75 & 4 Ramps (built 1971), carrying about 209,200 vehicles a day.

Good 41.9% · Fair 51.3% · Poor 6.8% of 513 bridges

Bridges rated poor

Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.

Bridge	Built	Vehicles/day	Condition
I-696 over I-75 & 4 Ramps	1971	209,200	Poor
I-75 Br over Clinton River	1964	40,292	Poor
I-75 NB over Clarkston Rd	1962	35,763	Poor
Sashabaw Rd over Clinton River	1928	15,800	Poor
9 Mile Rd over Caddell Drain	1973	10,800	Poor
Martin Luther King over Grand Trunk Western RR	1976	8,700	Poor
9 Mile Road over Thornton Creek	1970	8,260	Poor
Seymour Lake Road over Paint Creek	1962	7,813	Poor
Inkster Road over Rouge River	1970	7,529	Poor
Inkster Road over Rouge River	1963	5,814	Poor
Franklin over Rouge River	1959	5,600	Poor
Shiawassee Street over Branch Upper Rouge River	1981	4,290	Poor
Fourteen Mile over Franklin River	1961	3,770	Poor
Tuck Rd over Upper Rouge River	1925	2,370	Poor
Derby St over Grand Trunk Western RR	1930	1,952	Poor
Gunn over Paint Creek	1958	1,750	Poor
Bridge Street over River Rouge	1972	1,248	Poor
Martindale over Novi-lyon Drain	1970	1,080	Poor
Chesterfield Rd over Quarton Br/rouge River	1979	1,000	Poor
Willits Street over Rouge River	1961	779	Poor
Dawson over Huron River	1964	750	Poor
Spaulding Rd over Novi-lyon Drain	1961	500	Poor
Gillespie Ave over Clinton River	1936	500	Poor
Meadowwood Road over Devonshire Drain	1986	500	Poor
Cedar Key Drive over Voorheis Lake	1985	500	Poor
Willow Beach Road over Channel Dollar & Cass Lk	1984	480	Poor
Winkler Mill over Stony Creek	1967	346	Poor
County Line Road over Kearsley Drain	1995	340	Poor
Silver Bell over Paint Creek	1961	326	Poor
Twelve Mile over Novi-lyon Drain	1961	300	Poor
Deer Hill Drive over Deer Lake Creek	1977	200	Poor
Edgeorge Street over Clinton River	1956	200	Poor
Emburke Blvd over Clinton River	1959	200	Poor
Ashbury Drive over Middle Br Rouge River	1991	100	Poor
Brewer Road over Stoney Creek	1984	50	Poor

Busiest bridges in the county

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
I-696 EB over Inkster Rd	1988	172,600	Fair
I-696 over Pebble Creek	2023	158,700	Good
I-96 over Bassett Drain	2024	152,700	Good
I-696 over Minnow Pond Drain	2023	129,433	Good

Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.

Every bridge in Oakland County → - all 513, busiest first, each with its own condition record.

All of Michigan: Michigan bridge conditions by county · every download on the data page.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.