US Bridges

I-96 WB over Coopersville & Marne RR

Fair

Kent County, Michigan · In Walker · Structure no. 000000000004750

Built
1961
64 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
174 ft
3 main spans
Daily traffic
21,751
2007 count
Owner
State
State Highway Agency

About this bridge

I-96 WB over Coopersville & Marne RR is a steel stringer/multi-beam or girder carrying I-96 WB over Coopersville & Marne RR in Kent County, Michigan. It was built in 1961, so it is 64 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 21,751 vehicles a day, roughly 9% of them trucks, projected to reach 27,768 by 2018. The structure is 174 ft (53 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-96 WB
CrossesCoopersville & Marne RR
LocationIn Walker
RouteInterstate 96
CountyKent County
StateMichigan
Coordinates43.01845, -85.7374
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating86.1 US tons
Inventory rating51.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length174 ft (53 m)
Longest span60 ft (18.2 m)
Deck width47 ft (14.3 m)
Roadway width45 ft (13.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,751 (2007)
Projected traffic27,768 by 2018
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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 I-96 WB over Coopersville & Marne RR built?

It was built in 1961, making it 64 years old in 2025.

What condition is I-96 WB over Coopersville & Marne RR in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

How much traffic does I-96 WB over Coopersville & Marne RR carry?

About 21,751 vehicles per day (2007 count), of which roughly 9% are trucks.

How long is I-96 WB over Coopersville & Marne RR?

The structure is 174 ft (53 m) long with a longest span of 60 ft (18.2 m) and a deck 47 ft wide.

Who owns I-96 WB over Coopersville & Marne RR?

It is owned by the State Highway Agency.