US Bridges

I-196 Ramp a M-21 over M-21BR (chicago Drive)

Fair

Kent County, Michigan · In Wyoming · Structure no. 000000000004818

Built
1965
60 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
142 ft
3 main spans
Daily traffic
6,208
2007 count
Owner
State
State Highway Agency

About this bridge

I-196 Ramp a M-21 over M-21BR (chicago Drive) is a prestressed concrete stringer/multi-beam or girder carrying I-196 Ramp a M-21 over M-21BR (chicago Drive) in Kent County, Michigan. It was built in 1965, so it is 60 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 6 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 6,208 vehicles a day, roughly 11% of them trucks, projected to reach 7,139 by 2308. The structure is 142 ft (43.4 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesI-196 Ramp a M-21
CrossesM-21BR (chicago Drive)
LocationIn Wyoming
RouteInterstate 196
CountyKent County
StateMichigan
Coordinates42.92731, -85.73025
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.3 US tons
Inventory rating33.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length142 ft (43.4 m)
Longest span71 ft (21.6 m)
Deck width24 ft (7.4 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,208 (2007)
Projected traffic7,139 by 2308
Trucks11%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

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-196 Ramp a M-21 over M-21BR (chicago Drive) built?

It was built in 1965, making it 60 years old in 2025.

What condition is I-196 Ramp a M-21 over M-21BR (chicago Drive) 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-196 Ramp a M-21 over M-21BR (chicago Drive) carry?

About 6,208 vehicles per day (2007 count), of which roughly 11% are trucks.

How long is I-196 Ramp a M-21 over M-21BR (chicago Drive)?

The structure is 142 ft (43.4 m) long with a longest span of 71 ft (21.6 m) and a deck 24 ft wide.

Who owns I-196 Ramp a M-21 over M-21BR (chicago Drive)?

It is owned by the State Highway Agency.