US Bridges

I-196 EB M-21 over Service RD

Fair

Kent County, Michigan · NE Limits of Grandville · Structure no. 000000000004833

Built
1965
60 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete
Length
32 ft
1 main span
Daily traffic
47,200
2015 count
Owner
State
State Highway Agency

About this bridge

I-196 EB M-21 over Service RD is a concrete slab carrying I-196 EB M-21 over Service RD 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 47,200 vehicles a day, roughly 8% of them trucks, projected to reach 52,150 by 2035. The structure is 32 ft (9.8 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-196 EB M-21
CrossesService RD
LocationNE Limits of Grandville
RouteInterstate 196
Coordinates42.92734, -85.74424
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.4 US tons
Inventory rating48.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length32 ft (9.8 m)
Longest span32 ft (9.7 m)
Deck width43 ft (13.1 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47,200 (2015)
Projected traffic52,150 by 2035
Trucks8%
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-196 EB M-21 over Service RD built?

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

What condition is I-196 EB M-21 over Service RD 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 EB M-21 over Service RD carry?

About 47,200 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is I-196 EB M-21 over Service RD?

The structure is 32 ft (9.8 m) long with a longest span of 32 ft (9.7 m) and a deck 43 ft wide.

Who owns I-196 EB M-21 over Service RD?

It is owned by the State Highway Agency.