US Bridges

Plaza to I-75 NB over I-75 Nb&sb Rmp to Vernor

Good

Wayne County, Michigan · Ambassador Gateway · Structure no. 000000000013319

Built
2007
18 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
133 ft
1 main span
Daily traffic
1,200
2010 count
Owner
State
State Highway Agency

About this bridge

Plaza to I-75 NB over I-75 Nb&sb Rmp to Vernor is a steel stringer/multi-beam or girder carrying Plaza to I-75 NB over I-75 Nb&sb Rmp to Vernor in Wayne County, Michigan. It was built in 2007, so it is 18 years old, younger 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 1,200 vehicles a day, projected to reach 1,480 by 2030. The structure is 133 ft (40.4 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesPlaza to I-75 NB
CrossesI-75 Nb&sb Rmp to Vernor
LocationAmbassador Gateway
RouteInterstate 75
CountyWayne County
StateMichigan
Coordinates42.32296, -83.08212
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating103.6 US tons
Inventory rating61.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length133 ft (40.4 m)
Longest span130 ft (39.7 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2010)
Projected traffic1,480 by 2030
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
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 Plaza to I-75 NB over I-75 Nb&sb Rmp to Vernor built?

It was built in 2007, making it 18 years old in 2025.

What condition is Plaza to I-75 NB over I-75 Nb&sb Rmp to Vernor 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 June 2024.

How much traffic does Plaza to I-75 NB over I-75 Nb&sb Rmp to Vernor carry?

About 1,200 vehicles per day (2010 count).

How long is Plaza to I-75 NB over I-75 Nb&sb Rmp to Vernor?

The structure is 133 ft (40.4 m) long with a longest span of 130 ft (39.7 m) and a deck 33 ft wide.

Who owns Plaza to I-75 NB over I-75 Nb&sb Rmp to Vernor?

It is owned by the State Highway Agency.