US Bridges

Pontiac Lake Road over Clinton River

Good

Oakland County, Michigan · Waterford Twp Sec 21 · Structure no. 000000000013810

Built
2024
1 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
42 ft
1 main span
Daily traffic
10,500
2024 count
Owner
County
County Highway Agency

About this bridge

Pontiac Lake Road over Clinton River is a concrete culvert carrying Pontiac Lake Road over Clinton River in Oakland County, Michigan. It was built in 2024, so it is 1 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10,500 vehicles a day, roughly 3% of them trucks, projected to reach 12,800 by 2044. The structure is 42 ft (12.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesPontiac Lake Road
CrossesClinton River
LocationWaterford Twp Sec 21
RouteCounty Highway 0
Coordinates42.6528, -83.3975
Functional classUrban 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 protection9 ExcellentNo problems noted.
Culvert9 ExcellentNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.9 US tons
Inventory rating64.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length42 ft (12.8 m)
Longest span42 ft (12.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,500 (2024)
Projected traffic12,800 by 2044
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Pontiac Lake Road over Clinton River built?

It was built in 2024, making it 1 years old in 2025.

What condition is Pontiac 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 December 2024.

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

About 10,500 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Pontiac Lake Road over Clinton River?

The structure is 42 ft (12.8 m) long with a longest span of 42 ft (12.8 m).

Who owns Pontiac Lake Road over Clinton River?

It is owned by the County Highway Agency.