US Bridges

I-94 Bl (michigan) over I-94

Fair

Calhoun County, Michigan · 4.6 MI W of I-69 · Structure no. 000000000001268

Built
1960
65 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete Continuous
Length
311 ft
4 main spans
Daily traffic
13,099
2007 count
Owner
State
State Highway Agency

About this bridge

I-94 Bl (michigan) over I-94 is a concrete continuous tee beam carrying I-94 Bl (michigan) over I-94 in Calhoun County, Michigan. It was built in 1960, so it is 65 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 5 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 13,099 vehicles a day, roughly 2% of them trucks, projected to reach 18,677 by 2018. The structure is 311 ft (94.9 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-94 Bl (michigan)
CrossesI-94
Location4.6 MI W of I-69
RouteInterstate 94
Coordinates42.29928, -85.08537
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.9 US tons
Inventory rating43.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length311 ft (94.9 m)
Longest span104 ft (31.7 m)
Deck width46 ft (14 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,099 (2007)
Projected traffic18,677 by 2018
Trucks2%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 proposedDeck replacement with only incidental widening
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-94 Bl (michigan) over I-94 built?

It was built in 1960, making it 65 years old in 2025.

What condition is I-94 Bl (michigan) 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 August 2023.

How much traffic does I-94 Bl (michigan) over I-94 carry?

About 13,099 vehicles per day (2007 count), of which roughly 2% are trucks.

How long is I-94 Bl (michigan) over I-94?

The structure is 311 ft (94.9 m) long with a longest span of 104 ft (31.7 m) and a deck 46 ft wide.

Who owns I-94 Bl (michigan) over I-94?

It is owned by the State Highway Agency.