US Bridges

I-94 Bl & M-37 over I-94

Fair

Calhoun County, Michigan · 0.1 MI E of Kalamazoo Col · Structure no. 000000000001248

Built
2015
10 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
257 ft
2 main spans
Daily traffic
121,987
2015 count
Owner
State
State Highway Agency

About this bridge

I-94 Bl & M-37 over I-94 is a prestressed concrete stringer/multi-beam or girder carrying I-94 Bl & M-37 over I-94 in Calhoun County, Michigan. It was built in 2015, so it is 10 years old, younger 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 121,987 vehicles a day, roughly 9% of them trucks, projected to reach 14,350 by 2035. The structure is 257 ft (78.2 m) long and 76 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesI-94 Bl & M-37
CrossesI-94
Location0.1 MI E of Kalamazoo Col
RouteInterstate 94
CountyCalhoun County
StateMichigan
Coordinates42.27268, -85.29548
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.7 US tons
Inventory rating38.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadGreater than HL 93
Structure length257 ft (78.2 m)
Longest span127 ft (38.8 m)
Deck width76 ft (23.1 m)
Roadway width58 ft (17.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic121,987 (2015)
Projected traffic14,350 by 2035
Trucks9%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.1 mi (13 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-94 Bl & M-37 over I-94 built?

It was built in 2015, making it 10 years old in 2025.

What condition is I-94 Bl & M-37 over I-94 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 September 2023.

How much traffic does I-94 Bl & M-37 over I-94 carry?

About 121,987 vehicles per day (2015 count), of which roughly 9% are trucks.

How long is I-94 Bl & M-37 over I-94?

The structure is 257 ft (78.2 m) long with a longest span of 127 ft (38.8 m) and a deck 76 ft wide.

Who owns I-94 Bl & M-37 over I-94?

It is owned by the State Highway Agency.