US Bridges

Carpenter Ave over I-75

Fair

Wayne County, Michigan · In Hamtramck · Structure no. 000000000011856

Built
1969
56 years old, rebuilt 2003
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
203 ft
2 main spans
Daily traffic
15,976
2010 count
Owner
State
State Highway Agency

About this bridge

Carpenter Ave over I-75 is a steel stringer/multi-beam or girder carrying Carpenter Ave over I-75 in Wayne County, Michigan. It was built in 1969 and reconstructed in 2003, so it is 56 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 15,976 vehicles a day, roughly 3% of them trucks, projected to reach 17,574 by 2025. The structure is 203 ft (61.8 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCarpenter Ave
CrossesI-75
LocationIn Hamtramck
RouteCity Street 0
CountyWayne County
StateMichigan
Coordinates42.40319, -83.0724
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating84.7 US tons
Inventory rating50.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length203 ft (61.8 m)
Longest span102 ft (31.1 m)
Deck width40 ft (12.3 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,976 (2010)
Projected traffic17,574 by 2025
Trucks3%
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 Carpenter Ave over I-75 built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 2003.

What condition is Carpenter Ave over I-75 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 April 2024.

How much traffic does Carpenter Ave over I-75 carry?

About 15,976 vehicles per day (2010 count), of which roughly 3% are trucks.

How long is Carpenter Ave over I-75?

The structure is 203 ft (61.8 m) long with a longest span of 102 ft (31.1 m) and a deck 40 ft wide.

Who owns Carpenter Ave over I-75?

It is owned by the State Highway Agency.