US Bridges

Plaza to I-75 over Nb&sb Rmps to Vernor

Good

Wayne County, Michigan · Ambassador Gateway · Structure no. 000000000013403

Built
2007
18 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
201 ft
2 main spans
Daily traffic
1,107
2010 count
Owner
State
State Highway Agency

About this bridge

Plaza to I-75 over Nb&sb Rmps to Vernor is a steel continuous stringer/multi-beam or girder carrying Plaza to I-75 over Nb&sb Rmps 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 1,107 vehicles a day, roughly 40% of them trucks, projected to reach 1,273 by 2030. The structure is 201 ft (61.3 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesPlaza to I-75
CrossesNb&sb Rmps to Vernor
LocationAmbassador Gateway
RouteInterstate 75
Coordinates42.32258, -83.08153
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 alignment7: Better than present minimum criteria
Operating rating107.1 US tons
Inventory rating87.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length201 ft (61.3 m)
Longest span198 ft (60.2 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,107 (2010)
Projected traffic1,273 by 2030
Trucks40%
Lanes on structure1
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 Plaza to I-75 over Nb&sb Rmps to Vernor built?

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

What condition is Plaza to I-75 over Nb&sb Rmps 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 over Nb&sb Rmps to Vernor carry?

About 1,107 vehicles per day (2010 count), of which roughly 40% are trucks.

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

The structure is 201 ft (61.3 m) long with a longest span of 198 ft (60.2 m) and a deck 31 ft wide.

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

It is owned by the State Highway Agency.