US Bridges

W Grand Blvd NB over I-75

Good

Wayne County, Michigan · In Detroit · Structure no. 000000000011752

Built
2003
22 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
206 ft
2 main spans
Daily traffic
4,000
1991 count
Owner
State
State Highway Agency

About this bridge

W Grand Blvd NB over I-75 is a steel continuous stringer/multi-beam or girder carrying W Grand Blvd NB over I-75 in Wayne County, Michigan. It was built in 2003, so it is 22 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 4,000 vehicles a day, roughly 17% of them trucks, projected to reach 82,600 by 2023. The structure is 206 ft (62.8 m) long and 49 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesW Grand Blvd NB
CrossesI-75
LocationIn Detroit
RouteCity Street 2000
CountyWayne County
StateMichigan
Coordinates42.31631, -83.08428
Functional classUrban Other Principal Arterial

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.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating65 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length206 ft (62.8 m)
Longest span108 ft (32.9 m)
Deck width49 ft (14.8 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,000 (1991)
Projected traffic82,600 by 2023
Trucks17%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 W Grand Blvd NB over I-75 built?

It was built in 2003, making it 22 years old in 2025.

What condition is W Grand Blvd NB over 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 May 2024.

How much traffic does W Grand Blvd NB over I-75 carry?

About 4,000 vehicles per day (1991 count), of which roughly 17% are trucks.

How long is W Grand Blvd NB over I-75?

The structure is 206 ft (62.8 m) long with a longest span of 108 ft (32.9 m) and a deck 49 ft wide.

Who owns W Grand Blvd NB over I-75?

It is owned by the State Highway Agency.