US Bridges

Brush ST Ent Ramp over I-75 EB I-375 SB Trn Rdy

Fair

Wayne County, Michigan · In Detroit over E N Turn · Structure no. 000000000011803

Built
1970
55 years old, rebuilt 1998
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
164 ft
3 main spans
Daily traffic
3,200
1982 count
Owner
State
State Highway Agency

About this bridge

Brush ST Ent Ramp over I-75 EB I-375 SB Trn Rdy is a steel stringer/multi-beam or girder carrying Brush ST Ent Ramp over I-75 EB I-375 SB Trn Rdy in Wayne County, Michigan. It was built in 1970 and reconstructed in 1998, 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 5 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 3,200 vehicles a day, roughly 3% of them trucks, projected to reach 3,300 by 2026. The structure is 164 ft (50 m) long and 28 ft wide.

CarriesBrush ST Ent Ramp
CrossesI-75 EB I-375 SB Trn Rdy
LocationIn Detroit over E N Turn
RouteInterstate 75
Coordinates42.34199, -83.04682
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.4 US tons
Inventory rating45.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length164 ft (50 m)
Longest span81 ft (24.7 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,200 (1982)
Projected traffic3,300 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 Brush ST Ent Ramp over I-75 EB I-375 SB Trn Rdy built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 1998.

What condition is Brush ST Ent Ramp over I-75 EB I-375 SB Trn Rdy 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 March 2024.

How much traffic does Brush ST Ent Ramp over I-75 EB I-375 SB Trn Rdy carry?

About 3,200 vehicles per day (1982 count), of which roughly 3% are trucks.

How long is Brush ST Ent Ramp over I-75 EB I-375 SB Trn Rdy?

The structure is 164 ft (50 m) long with a longest span of 81 ft (24.7 m) and a deck 28 ft wide.

Who owns Brush ST Ent Ramp over I-75 EB I-375 SB Trn Rdy?

It is owned by the State Highway Agency.