US Bridges

Cooley Lake Road over Huron River

Good

Oakland County, Michigan · Commerce Twp Sec 3 · Structure no. 000000000014036

Built
2023
2 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
28 ft
1 main span
Daily traffic
9,000
2015 count
Owner
County
County Highway Agency

About this bridge

Cooley Lake Road over Huron River is a concrete culvert carrying Cooley Lake Road over Huron River in Oakland County, Michigan. It was built in 2023, so it is 2 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 9,000 vehicles a day, roughly 3% of them trucks, projected to reach 13,373 by 2035. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCooley Lake Road
CrossesHuron River
LocationCommerce Twp Sec 3
RouteCounty Highway 0
Coordinates42.61361, -83.4846
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.5 US tons
Inventory rating62.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadGreater than HL 93
Structure length28 ft (8.5 m)
Longest span28 ft (8.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,000 (2015)
Projected traffic13,373 by 2035
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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 Huron River built?

It was built in 2023, making it 2 years old in 2025.

What condition is Cooley Lake Road over Huron River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

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

About 9,000 vehicles per day (2015 count), of which roughly 3% are trucks.

How long is Cooley Lake Road over Huron River?

The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m).

Who owns Cooley Lake Road over Huron River?

It is owned by the County Highway Agency.