US Bridges

I-69 NB Collector over I-94

Fair

Calhoun County, Michigan · @ I-94 · Structure no. 000000000001237

Built
1968
57 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
356 ft
4 main spans
Daily traffic
7,500
1995 count
Owner
State
State Highway Agency

About this bridge

I-69 NB Collector over I-94 is a steel stringer/multi-beam or girder carrying I-69 NB Collector over I-94 in Calhoun County, Michigan. It was built in 1968, so it is 57 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 7,500 vehicles a day, roughly 24% of them trucks, projected to reach 8,500 by 2015. The structure is 356 ft (108.5 m) long and 35 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesI-69 NB Collector
CrossesI-94
Location@ I-94
RouteInterstate 69
CountyCalhoun County
StateMichigan
Coordinates42.29761, -84.99621
Functional classRural 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.
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 inspectionJune 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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.9 US tons
Inventory rating43.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length356 ft (108.5 m)
Longest span93 ft (28.3 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,500 (1995)
Projected traffic8,500 by 2015
Trucks24%
Lanes on structure2
Traffic directionOne-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-69 NB Collector over I-94 built?

It was built in 1968, making it 57 years old in 2025.

What condition is I-69 NB Collector 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 June 2023.

How much traffic does I-69 NB Collector over I-94 carry?

About 7,500 vehicles per day (1995 count), of which roughly 24% are trucks.

How long is I-69 NB Collector over I-94?

The structure is 356 ft (108.5 m) long with a longest span of 93 ft (28.3 m) and a deck 35 ft wide.

Who owns I-69 NB Collector over I-94?

It is owned by the State Highway Agency.