US Bridges

Cooley Lake Road over Clinton River

Fair

Oakland County, Michigan · Bet Cass Elizabeth & Hill · Structure no. 000000000008179

Built
1994
31 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
48 ft
1 main span
Daily traffic
19,500
2015 count
Owner
County
County Highway Agency

About this bridge

Cooley Lake Road over Clinton River is a prestressed concrete box beam or girders - multiple carrying Cooley Lake Road over Clinton River in Oakland County, Michigan. It was built in 1994, so it is 31 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 19,500 vehicles a day, roughly 5% of them trucks, projected to reach 19,750 by 2035. The structure is 48 ft (14.6 m) long and 77 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesCooley Lake Road
CrossesClinton River
LocationBet Cass Elizabeth & Hill
RouteCounty Highway 2059
CountyOakland County
StateMichigan
Coordinates42.62772, -83.39484
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating66 US tons
Inventory rating37.8 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length48 ft (14.6 m)
Longest span44 ft (13.4 m)
Deck width77 ft (23.5 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,500 (2015)
Projected traffic19,750 by 2035
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Cooley Lake Road over Clinton River built?

It was built in 1994, making it 31 years old in 2025.

What condition is Cooley Lake Road over Clinton River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

How much traffic does Cooley Lake Road over Clinton River carry?

About 19,500 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is Cooley Lake Road over Clinton River?

The structure is 48 ft (14.6 m) long with a longest span of 44 ft (13.4 m) and a deck 77 ft wide.

Who owns Cooley Lake Road over Clinton River?

It is owned by the County Highway Agency.