US Bridges

I-96 WB over Ramp a

Good

Kent County, Michigan · Cascade Twp · Structure no. 000000000013172

Built
2005
20 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
284 ft
2 main spans
Daily traffic
18,500
2007 count
Owner
State
State Highway Agency

About this bridge

I-96 WB over Ramp a is a steel stringer/multi-beam or girder carrying I-96 WB over Ramp a in Kent County, Michigan. It was built in 2005, so it is 20 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 18,500 vehicles a day, roughly 9% of them trucks, projected to reach 22,000 by 2020. The structure is 284 ft (86.6 m) long and 48 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-96 WB
CrossesRamp a
LocationCascade Twp
RouteInterstate 96
CountyKent County
StateMichigan
Coordinates42.90298, -85.51864
Functional classRural 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.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
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 rating89.9 US tons
Inventory rating53.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length284 ft (86.6 m)
Longest span142 ft (43.3 m)
Deck width48 ft (14.5 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,500 (2007)
Projected traffic22,000 by 2020
Trucks9%
Lanes on structure2
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 I-96 WB over Ramp a built?

It was built in 2005, making it 20 years old in 2025.

What condition is I-96 WB over Ramp a 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 August 2023.

How much traffic does I-96 WB over Ramp a carry?

About 18,500 vehicles per day (2007 count), of which roughly 9% are trucks.

How long is I-96 WB over Ramp a?

The structure is 284 ft (86.6 m) long with a longest span of 142 ft (43.3 m) and a deck 48 ft wide.

Who owns I-96 WB over Ramp a?

It is owned by the State Highway Agency.