US Bridges

I-275 SB over Middle Rouge River

Fair

Wayne County, Michigan · 0.3 MI W of Livonia Lts · Structure no. 000000000011955

Built
1972
53 years old, rebuilt 2012
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
170 ft
2 main spans
Daily traffic
65,653
2007 count
Owner
State
State Highway Agency

About this bridge

I-275 SB over Middle Rouge River is a steel stringer/multi-beam or girder carrying I-275 SB over Middle Rouge River in Wayne County, Michigan. It was built in 1972 and reconstructed in 2012, so it is 53 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 65,653 vehicles a day, roughly 6% of them trucks, projected to reach 70,250 by 2042. The structure is 170 ft (51.8 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-275 SB
CrossesMiddle Rouge River
Location0.3 MI W of Livonia Lts
RouteInterstate 275
CountyWayne County
StateMichigan
Coordinates42.37174, -83.43659
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85 US tons
Inventory rating50.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length170 ft (51.8 m)
Longest span89 ft (27.1 m)
Deck width56 ft (17 m)
Roadway width52 ft (16 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic65,653 (2007)
Projected traffic70,250 by 2042
Trucks6%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-275 SB over Middle Rouge River built?

It was built in 1972, making it 53 years old in 2025. It was reconstructed in 2012.

What condition is I-275 SB over Middle Rouge River 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 October 2024.

How much traffic does I-275 SB over Middle Rouge River carry?

About 65,653 vehicles per day (2007 count), of which roughly 6% are trucks.

How long is I-275 SB over Middle Rouge River?

The structure is 170 ft (51.8 m) long with a longest span of 89 ft (27.1 m) and a deck 56 ft wide.

Who owns I-275 SB over Middle Rouge River?

It is owned by the State Highway Agency.