US Bridges

Pembroke Ave over M-39

Good

Wayne County, Michigan · In Detroit · Structure no. 000000000011712

Built
1962
63 years old, rebuilt 2010
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
109 ft
2 main spans
Daily traffic
4,300
2008 count
Owner
State
State Highway Agency

About this bridge

Pembroke Ave over M-39 is a prestressed concrete box beam or girders - multiple carrying Pembroke Ave over M-39 in Wayne County, Michigan. It was built in 1962 and reconstructed in 2010, so it is 63 years old, older 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 4,300 vehicles a day, projected to reach 4,900 by 2029. The structure is 109 ft (33.1 m) long and 68 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesPembroke Ave
CrossesM-39
LocationIn Detroit
RouteCity Street 0
CountyWayne County
StateMichigan
Coordinates42.43724, -83.21954
Functional classUrban Local

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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.9 US tons
Inventory rating49.3 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadGreater than HL 93
Structure length109 ft (33.1 m)
Longest span52 ft (16 m)
Deck width68 ft (20.6 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,300 (2008)
Projected traffic4,900 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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 Pembroke Ave over M-39 built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2010.

What condition is Pembroke Ave over M-39 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 June 2023.

How much traffic does Pembroke Ave over M-39 carry?

About 4,300 vehicles per day (2008 count).

How long is Pembroke Ave over M-39?

The structure is 109 ft (33.1 m) long with a longest span of 52 ft (16 m) and a deck 68 ft wide.

Who owns Pembroke Ave over M-39?

It is owned by the State Highway Agency.