US Bridges

M-85 over West Riverwalk

Good

Wayne County, Michigan · N Side of Rosa Park Blvd · Structure no. 000000000013853

Built
2019
6 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
25 ft
1 main span
Daily traffic
26,800
2010 count
Owner
State
State Highway Agency

About this bridge

M-85 over West Riverwalk is a concrete culvert carrying M-85 over West Riverwalk in Wayne County, Michigan. It was built in 2019, so it is 6 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 26,800 vehicles a day, roughly 12% of them trucks, projected to reach 30,820 by 2030. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesM-85
CrossesWest Riverwalk
LocationN Side of Rosa Park Blvd
RouteState Highway 85
CountyWayne County
StateMichigan
Coordinates42.32293, -83.06549
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Culvert8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.8 US tons
Inventory rating59.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadGreater than HL 93
Structure length25 ft (7.6 m)
Longest span25 ft (7.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,800 (2010)
Projected traffic30,820 by 2030
Trucks12%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesPedestrian / bicycle
Detour if closed3.7 mi (6 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was M-85 over West Riverwalk built?

It was built in 2019, making it 6 years old in 2025.

What condition is M-85 over West Riverwalk 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 July 2023.

How much traffic does M-85 over West Riverwalk carry?

About 26,800 vehicles per day (2010 count), of which roughly 12% are trucks.

How long is M-85 over West Riverwalk?

The structure is 25 ft (7.6 m) long with a longest span of 25 ft (7.6 m).

Who owns M-85 over West Riverwalk?

It is owned by the State Highway Agency.