US Bridges

WB Metro Parkway over Clinton River Spillway

FairPosted for load

Macomb County, Michigan · 0.02 MI E of Union Lake · Structure no. 000000000006200

Built
1964
61 years old, rebuilt 2004
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
304 ft
5 main spans
Daily traffic
13,930
2007 count
Owner
County
County Highway Agency

About this bridge

WB Metro Parkway over Clinton River Spillway is a steel stringer/multi-beam or girder carrying WB Metro Parkway over Clinton River Spillway in Macomb County, Michigan. It was built in 1964 and reconstructed in 2004, so it is 61 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 13,930 vehicles a day, roughly 7% of them trucks, projected to reach 20,700 by 2027. The structure is 304 ft (92.6 m) long and 49 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesWB Metro Parkway
CrossesClinton River Spillway
Location0.02 MI E of Union Lake
RouteCounty Highway 2058
Coordinates42.57058, -82.86191
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating30 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length304 ft (92.6 m)
Longest span69 ft (21 m)
Deck width49 ft (14.9 m)
Roadway width46 ft (13.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,930 (2007)
Projected traffic20,700 by 2027
Trucks7%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 WB Metro Parkway over Clinton River Spillway built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2004.

What condition is WB Metro Parkway over Clinton River Spillway 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 August 2023.

How much traffic does WB Metro Parkway over Clinton River Spillway carry?

About 13,930 vehicles per day (2007 count), of which roughly 7% are trucks.

How long is WB Metro Parkway over Clinton River Spillway?

The structure is 304 ft (92.6 m) long with a longest span of 69 ft (21 m) and a deck 49 ft wide.

Who owns WB Metro Parkway over Clinton River Spillway?

It is owned by the County Highway Agency.