US Bridges

Cass Lake Road over Clinton River

Good

Oakland County, Michigan · Bet Orchard Lk and Cass-E · Structure no. 000000000008143

Built
2007
18 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
36 ft
1 main span
Daily traffic
17,800
2006 count
Owner
County
County Highway Agency

About this bridge

Cass Lake Road over Clinton River is a concrete culvert carrying Cass Lake Road over Clinton River in Oakland County, Michigan. It was built in 2007, so it is 18 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 17,800 vehicles a day, roughly 6% of them trucks, projected to reach 19,300 by 2028. The structure is 36 ft (10.9 m) long. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCass Lake Road
CrossesClinton River
LocationBet Orchard Lk and Cass-E
RouteCounty Highway 2059
Coordinates42.61777, -83.35046
Functional classUrban Other Principal Arterial

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 protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length36 ft (10.9 m)
Longest span33 ft (10.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,800 (2006)
Projected traffic19,300 by 2028
Trucks6%
Lanes on structure3
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 Cass Lake Road over Clinton River built?

It was built in 2007, making it 18 years old in 2025.

What condition is Cass Lake Road over Clinton 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 July 2024.

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

About 17,800 vehicles per day (2006 count), of which roughly 6% are trucks.

How long is Cass Lake Road over Clinton River?

The structure is 36 ft (10.9 m) long with a longest span of 33 ft (10.1 m).

Who owns Cass Lake Road over Clinton River?

It is owned by the County Highway Agency.