US Bridges

I-75 SB over Gtw RR

Fair

Wayne County, Michigan · In Taylor · Structure no. 000000000011641

Built
1965
60 years old, rebuilt 2006
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
213 ft
3 main spans
Daily traffic
46,853
2015 count
Owner
State
State Highway Agency

About this bridge

I-75 SB over Gtw RR is a steel stringer/multi-beam or girder carrying I-75 SB over Gtw RR in Wayne County, Michigan. It was built in 1965 and reconstructed in 2006, so it is 60 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 46,853 vehicles a day, roughly 20% of them trucks, projected to reach 52,548 by 2038. The structure is 213 ft (65 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-75 SB
CrossesGtw RR
LocationIn Taylor
RouteInterstate 75
CountyWayne County
StateMichigan
Coordinates42.2041, -83.23366
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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.5 US tons
Inventory rating40.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length213 ft (65 m)
Longest span76 ft (23.1 m)
Deck width54 ft (16.6 m)
Roadway width52 ft (15.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46,853 (2015)
Projected traffic52,548 by 2038
Trucks20%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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-75 SB over Gtw RR built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2006.

What condition is I-75 SB over Gtw RR 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 September 2024.

How much traffic does I-75 SB over Gtw RR carry?

About 46,853 vehicles per day (2015 count), of which roughly 20% are trucks.

How long is I-75 SB over Gtw RR?

The structure is 213 ft (65 m) long with a longest span of 76 ft (23.1 m) and a deck 54 ft wide.

Who owns I-75 SB over Gtw RR?

It is owned by the State Highway Agency.