US Bridges

Rmp B M-21BR I-196 over I-196 EB

Good

Kent County, Michigan · In Wyoming (I-196 Eb) · Structure no. 000000000004817

Built
1965
60 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
160 ft
3 main spans
Daily traffic
6,208
2007 count
Owner
State
State Highway Agency

About this bridge

Rmp B M-21BR I-196 over I-196 EB is a steel stringer/multi-beam or girder carrying Rmp B M-21BR I-196 over I-196 EB 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 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 6,208 vehicles a day, roughly 11% of them trucks, projected to reach 6,782 by 2018. The structure is 160 ft (48.7 m) long and 24 ft wide.

CarriesRmp B M-21BR I-196
CrossesI-196 EB
LocationIn Wyoming (I-196 Eb)
RouteState Highway 21
Coordinates42.93061, -85.73409
Functional classUrban 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.
Superstructure7 GoodSome minor problems.
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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment7: Better than present minimum criteria
Operating rating62.2 US tons
Inventory rating37.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length160 ft (48.7 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 traffic6,782 by 2018
Trucks11%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 proposedDeck replacement with only incidental widening
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Rmp B M-21BR I-196 over I-196 EB built?

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

What condition is Rmp B M-21BR I-196 over I-196 EB 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 Rmp B M-21BR I-196 over I-196 EB carry?

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

How long is Rmp B M-21BR I-196 over I-196 EB?

The structure is 160 ft (48.7 m) long with a longest span of 71 ft (21.6 m) and a deck 24 ft wide.

Who owns Rmp B M-21BR I-196 over I-196 EB?

It is owned by the State Highway Agency.