US Bridges

M-59 EB over Clinton River

Fair

Oakland County, Michigan · 1.2 MI E of I-75 · Structure no. 000000000007831

Built
1966
59 years old, rebuilt 1999
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
57 ft
1 main span
Daily traffic
40,528
2007 count
Owner
State
State Highway Agency

About this bridge

M-59 EB over Clinton River is a prestressed concrete stringer/multi-beam or girder carrying M-59 EB over Clinton River in Oakland County, Michigan. It was built in 1966 and reconstructed in 1999, so it is 59 years old, older 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 40,528 vehicles a day, roughly 3% of them trucks, projected to reach 41,641 by 2018. The structure is 57 ft (17.4 m) long and 88 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesM-59 EB
CrossesClinton River
Location1.2 MI E of I-75
RouteState Highway 59
CountyOakland County
StateMichigan
Coordinates42.64387, -83.21401
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.8 US tons
Inventory rating40 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length57 ft (17.4 m)
Longest span55 ft (16.7 m)
Deck width88 ft (26.9 m)
Roadway width85 ft (25.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40,528 (2007)
Projected traffic41,641 by 2018
Trucks3%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 M-59 EB over Clinton River built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1999.

What condition is M-59 EB 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 May 2023.

How much traffic does M-59 EB over Clinton River carry?

About 40,528 vehicles per day (2007 count), of which roughly 3% are trucks.

How long is M-59 EB over Clinton River?

The structure is 57 ft (17.4 m) long with a longest span of 55 ft (16.7 m) and a deck 88 ft wide.

Who owns M-59 EB over Clinton River?

It is owned by the State Highway Agency.