US Bridges

Diversion ST over Clinton River

Fair

Oakland County, Michigan · West & Below Rochester RD · Structure no. 000000000008276

Built
1985
40 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
72 ft
1 main span
Daily traffic
2,640
2008 count
Owner
City
City or Municipal Highway Agency

About this bridge

Diversion ST over Clinton River is a prestressed concrete box beam or girders - multiple carrying Diversion ST over Clinton River in Oakland County, Michigan. It was built in 1985, so it is 40 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 2,640 vehicles a day, roughly 5% of them trucks, projected to reach 3,920 by 2028. The structure is 72 ft (21.9 m) long and 41 ft wide.

CarriesDiversion ST
CrossesClinton River
LocationWest & Below Rochester RD
RouteCity Street 0
Coordinates42.67548, -83.13434
Functional classUrban Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating79.3 US tons
Inventory rating60.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length72 ft (21.9 m)
Longest span70 ft (21.3 m)
Deck width41 ft (12.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,640 (2008)
Projected traffic3,920 by 2028
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Diversion ST over Clinton River built?

It was built in 1985, making it 40 years old in 2025.

What condition is Diversion ST 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 September 2024.

How much traffic does Diversion ST over Clinton River carry?

About 2,640 vehicles per day (2008 count), of which roughly 5% are trucks.

How long is Diversion ST over Clinton River?

The structure is 72 ft (21.9 m) long with a longest span of 70 ft (21.3 m) and a deck 41 ft wide.

Who owns Diversion ST over Clinton River?

It is owned by the City or Municipal Highway Agency.