US Bridges

I-75 Ramp WB to SB over Ramp to WB I-96

Fair

Wayne County, Michigan · In Detroit · Structure no. 000000000011751

Built
1970
55 years old, rebuilt 2007
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
202 ft
3 main spans
Daily traffic
13,830
1982 count
Owner
State
State Highway Agency

About this bridge

I-75 Ramp WB to SB over Ramp to WB I-96 is a steel stringer/multi-beam or girder carrying I-75 Ramp WB to SB over Ramp to WB I-96 in Wayne County, Michigan. It was built in 1970 and reconstructed in 2007, so it is 55 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 13,830 vehicles a day, roughly 3% of them trucks, projected to reach 13,830 by 2024. The structure is 202 ft (61.7 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesI-75 Ramp WB to SB
CrossesRamp to WB I-96
LocationIn Detroit
RouteInterstate 75
Coordinates42.33296, -83.08397
Functional classUrban Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating91.1 US tons
Inventory rating54.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length202 ft (61.7 m)
Longest span80 ft (24.4 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,830 (1982)
Projected traffic13,830 by 2024
Trucks3%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-75 Ramp WB to SB over Ramp to WB I-96 built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2007.

What condition is I-75 Ramp WB to SB over Ramp to WB I-96 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 May 2024.

How much traffic does I-75 Ramp WB to SB over Ramp to WB I-96 carry?

About 13,830 vehicles per day (1982 count), of which roughly 3% are trucks.

How long is I-75 Ramp WB to SB over Ramp to WB I-96?

The structure is 202 ft (61.7 m) long with a longest span of 80 ft (24.4 m) and a deck 31 ft wide.

Who owns I-75 Ramp WB to SB over Ramp to WB I-96?

It is owned by the State Highway Agency.