US Bridges

I-275 to I-94 Ramp over I-275

Fair

Wayne County, Michigan · In Romulus (west) · Structure no. 000000000011915

Built
1974
51 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
364 ft
4 main spans
Daily traffic
7,700
1982 count
Owner
State
State Highway Agency

About this bridge

I-275 to I-94 Ramp over I-275 is a steel stringer/multi-beam or girder carrying I-275 to I-94 Ramp over I-275 in Wayne County, Michigan. It was built in 1974, so it is 51 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 7,700 vehicles a day, roughly 3% of them trucks, projected to reach 8,855 by 2002. The structure is 364 ft (110.9 m) long and 40 ft wide.

Location

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CarriesI-275 to I-94 Ramp
CrossesI-275
LocationIn Romulus (west)
RouteInterstate 94
CountyWayne County
StateMichigan
Coordinates42.22023, -83.41151
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.6 US tons
Inventory rating44.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length364 ft (110.9 m)
Longest span124 ft (37.7 m)
Deck width40 ft (12.1 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,700 (1982)
Projected traffic8,855 by 2002
Trucks3%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-275 to I-94 Ramp over I-275 built?

It was built in 1974, making it 51 years old in 2025.

What condition is I-275 to I-94 Ramp over I-275 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 August 2024.

How much traffic does I-275 to I-94 Ramp over I-275 carry?

About 7,700 vehicles per day (1982 count), of which roughly 3% are trucks.

How long is I-275 to I-94 Ramp over I-275?

The structure is 364 ft (110.9 m) long with a longest span of 124 ft (37.7 m) and a deck 40 ft wide.

Who owns I-275 to I-94 Ramp over I-275?

It is owned by the State Highway Agency.