US Bridges

WB -96 Rmp Frm Tp over NB I-75

Good

Wayne County, Michigan · Ambassador Gateway · Structure no. 000000000013316

Built
2007
18 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
504 ft
3 main spans
Daily traffic
5,484
2010 count
Owner
State
State Highway Agency

About this bridge

WB -96 Rmp Frm Tp over NB I-75 is a steel continuous stringer/multi-beam or girder carrying WB -96 Rmp Frm Tp over NB I-75 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 5,484 vehicles a day, roughly 10% of them trucks, projected to reach 27,000 by 2030. The structure is 504 ft (153.5 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWB -96 Rmp Frm Tp
CrossesNB I-75
LocationAmbassador Gateway
RouteInterstate 75
Coordinates42.32178, -83.08218
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating103.9 US tons
Inventory rating62.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length504 ft (153.5 m)
Longest span223 ft (68 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,484 (2010)
Projected traffic27,000 by 2030
Trucks10%
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 WB -96 Rmp Frm Tp over NB I-75 built?

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

What condition is WB -96 Rmp Frm Tp over NB I-75 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 WB -96 Rmp Frm Tp over NB I-75 carry?

About 5,484 vehicles per day (2010 count), of which roughly 10% are trucks.

How long is WB -96 Rmp Frm Tp over NB I-75?

The structure is 504 ft (153.5 m) long with a longest span of 223 ft (68 m) and a deck 31 ft wide.

Who owns WB -96 Rmp Frm Tp over NB I-75?

It is owned by the State Highway Agency.