US Bridges

I-275 NB over Michigan AVE(US-12)

Good

Wayne County, Michigan · 3/4 MI W of Wayne C Lts · Structure no. 000000000011952

Built
1974
51 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
269 ft
2 main spans
Daily traffic
48,903
2007 count
Owner
State
State Highway Agency

About this bridge

I-275 NB over Michigan AVE(US-12) is a steel stringer/multi-beam or girder carrying I-275 NB over Michigan AVE(US-12) 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 48,903 vehicles a day, roughly 9% of them trucks, projected to reach 51,850 by 2042. The structure is 269 ft (82 m) long and 64 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-275 NB
CrossesMichigan AVE(US-12)
Location3/4 MI W of Wayne C Lts
RouteInterstate 275
CountyWayne County
StateMichigan
Coordinates42.28011, -83.44122
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating73.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length269 ft (82 m)
Longest span137 ft (41.8 m)
Deck width64 ft (19.4 m)
Roadway width60 ft (18.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic48,903 (2007)
Projected traffic51,850 by 2042
Trucks9%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-275 NB over Michigan AVE(US-12) built?

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

What condition is I-275 NB over Michigan AVE(US-12) in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does I-275 NB over Michigan AVE(US-12) carry?

About 48,903 vehicles per day (2007 count), of which roughly 9% are trucks.

How long is I-275 NB over Michigan AVE(US-12)?

The structure is 269 ft (82 m) long with a longest span of 137 ft (41.8 m) and a deck 64 ft wide.

Who owns I-275 NB over Michigan AVE(US-12)?

It is owned by the State Highway Agency.