US Bridges

Sashabaw RD over Clinton River

PoorPosted for load

Oakland County, Michigan · Bet Walton and Pelton Rds · Structure no. 000000000008144

Built
1928
97 years old
Condition
Poor
inspected March 2024
Type
Tee Beam
Concrete
Length
34 ft
1 main span
Daily traffic
15,800
2014 count
Owner
County
County Highway Agency

About this bridge

Sashabaw RD over Clinton River is a concrete tee beam carrying Sashabaw RD over Clinton River in Oakland County, Michigan. It was built in 1928, so it is 97 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 15,800 vehicles a day, projected to reach 21,300 by 2034. The structure is 34 ft (10.3 m) long and 44 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesSashabaw RD
CrossesClinton River
LocationBet Walton and Pelton Rds
RouteCounty Highway 2059
CountyOakland County
StateMichigan
Coordinates42.70685, -83.37556
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65 US tons
Inventory rating39.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length34 ft (10.3 m)
Longest span30 ft (9.1 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,800 (2014)
Projected traffic21,300 by 2034
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$590,000 (2050 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Sashabaw RD over Clinton River built?

It was built in 1928, making it 97 years old in 2025.

What condition is Sashabaw RD over Clinton River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.

How much traffic does Sashabaw RD over Clinton River carry?

About 15,800 vehicles per day (2014 count).

How long is Sashabaw RD over Clinton River?

The structure is 34 ft (10.3 m) long with a longest span of 30 ft (9.1 m) and a deck 44 ft wide.

Who owns Sashabaw RD over Clinton River?

It is owned by the County Highway Agency.