US Bridges

Grosse Ile Parkway over West River Road

Good

Wayne County, Michigan · Grosse Ile T E/Trenton Ch · Structure no. 000000000012007

Built
2019
6 years old
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
21,198
1995 count
Owner
County
County Highway Agency

About this bridge

Grosse Ile Parkway over West River Road is a steel stringer/multi-beam or girder carrying Grosse Ile Parkway over West River Road in Wayne County, Michigan. It was built in 2019, so it is 6 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 21,198 vehicles a day, roughly 2% of them trucks, projected to reach 16,574 by 2015. The structure is 50 ft (15.2 m) long and 43 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesGrosse Ile Parkway
CrossesWest River Road
LocationGrosse Ile T E/Trenton Ch
RouteCounty Highway 2057
CountyWayne County
StateMichigan
Coordinates42.12728, -83.17223
Functional classUrban Minor Arterial

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.
Substructure8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.6 US tons
Inventory rating57.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length50 ft (15.2 m)
Longest span47 ft (14.2 m)
Deck width43 ft (13.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,198 (1995)
Projected traffic16,574 by 2015
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Grosse Ile Parkway over West River Road built?

It was built in 2019, making it 6 years old in 2025.

What condition is Grosse Ile Parkway over West River Road 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 February 2025.

How much traffic does Grosse Ile Parkway over West River Road carry?

About 21,198 vehicles per day (1995 count), of which roughly 2% are trucks.

How long is Grosse Ile Parkway over West River Road?

The structure is 50 ft (15.2 m) long with a longest span of 47 ft (14.2 m) and a deck 43 ft wide.

Who owns Grosse Ile Parkway over West River Road?

It is owned by the County Highway Agency.