US Bridges

I-75 S E Turn RD over I-375

Poor

Wayne County, Michigan · In Detroit over I-375 · Structure no. 000000000011802

Built
1964
61 years old, rebuilt 1998
Condition
Poor
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
392 ft
5 main spans
Daily traffic
9,150
1982 count
Owner
State
State Highway Agency

About this bridge

I-75 S E Turn RD over I-375 is a steel stringer/multi-beam or girder carrying I-75 S E Turn RD over I-375 in Wayne County, Michigan. It was built in 1964 and reconstructed in 1998, so it is 61 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 9,150 vehicles a day, roughly 3% of them trucks, projected to reach 6,390 by 2026. The structure is 392 ft (119.5 m) long and 31 ft wide.

CarriesI-75 S E Turn RD
CrossesI-375
LocationIn Detroit over I-375
RouteInterstate 75
Coordinates42.34306, -83.0434
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.1 US tons
Inventory rating43.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length392 ft (119.5 m)
Longest span110 ft (33.5 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,150 (1982)
Projected traffic6,390 by 2026
Trucks3%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 I-75 S E Turn RD over I-375 built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1998.

What condition is I-75 S E Turn RD over I-375 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2025.

How much traffic does I-75 S E Turn RD over I-375 carry?

About 9,150 vehicles per day (1982 count), of which roughly 3% are trucks.

How long is I-75 S E Turn RD over I-375?

The structure is 392 ft (119.5 m) long with a longest span of 110 ft (33.5 m) and a deck 31 ft wide.

Who owns I-75 S E Turn RD over I-375?

It is owned by the State Highway Agency.