US Bridges

M-85 (fort St) over Pleasant ST

Good

Wayne County, Michigan · Fort ST · Structure no. 000000000012712

Built
2010
15 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
63 ft
1 main span
Daily traffic
5,981
2007 count
Owner
State
State Highway Agency

About this bridge

M-85 (fort St) over Pleasant ST is a prestressed concrete stringer/multi-beam or girder carrying M-85 (fort St) over Pleasant ST in Wayne County, Michigan. It was built in 2010, so it is 15 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,981 vehicles a day, roughly 12% of them trucks, projected to reach 8,000 by 2028. The structure is 63 ft (19.1 m) long and 106 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesM-85 (fort St)
CrossesPleasant ST
LocationFort ST
RouteState Highway 85
CountyWayne County
StateMichigan
Coordinates42.2835, -83.14919
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.6 US tons
Inventory rating30 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length63 ft (19.1 m)
Longest span61 ft (18.7 m)
Deck width106 ft (32.3 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,981 (2007)
Projected traffic8,000 by 2028
Trucks12%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
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 statusListed on the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was M-85 (fort St) over Pleasant ST built?

It was built in 2010, making it 15 years old in 2025.

What condition is M-85 (fort St) over Pleasant ST 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 May 2024.

How much traffic does M-85 (fort St) over Pleasant ST carry?

About 5,981 vehicles per day (2007 count), of which roughly 12% are trucks.

How long is M-85 (fort St) over Pleasant ST?

The structure is 63 ft (19.1 m) long with a longest span of 61 ft (18.7 m) and a deck 106 ft wide.

Who owns M-85 (fort St) over Pleasant ST?

It is owned by the State Highway Agency.