US Bridges

I-94 WB over Kalamazoo River

Good

Calhoun County, Michigan · 3.7 MI E of M-66 · Structure no. 000000000001257

Built
2023
2 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
242 ft
1 main span
Daily traffic
22,400
2010 count
Owner
State
State Highway Agency

About this bridge

I-94 WB over Kalamazoo River is a steel stringer/multi-beam or girder carrying I-94 WB over Kalamazoo River in Calhoun County, Michigan. It was built in 2023, so it is 2 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 22,400 vehicles a day, roughly 22% of them trucks, projected to reach 24,300 by 2030. The structure is 242 ft (73.8 m) long and 56 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesI-94 WB
CrossesKalamazoo River
Location3.7 MI E of M-66
RouteInterstate 94
CountyCalhoun County
StateMichigan
Coordinates42.28962, -85.11403
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
Deck9 ExcellentNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating68.9 US tons
Inventory rating53.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length242 ft (73.8 m)
Longest span235 ft (71.6 m)
Deck width56 ft (17.2 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,400 (2010)
Projected traffic24,300 by 2030
Trucks22%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-94 WB over Kalamazoo River built?

It was built in 2023, making it 2 years old in 2025.

What condition is I-94 WB over Kalamazoo River 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 October 2023.

How much traffic does I-94 WB over Kalamazoo River carry?

About 22,400 vehicles per day (2010 count), of which roughly 22% are trucks.

How long is I-94 WB over Kalamazoo River?

The structure is 242 ft (73.8 m) long with a longest span of 235 ft (71.6 m) and a deck 56 ft wide.

Who owns I-94 WB over Kalamazoo River?

It is owned by the State Highway Agency.