US Bridges

I-69 WB over I-94

Good

St. Clair County, Michigan · @ I-69 · Structure no. 000000000010014

Built
2013
12 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
326 ft
2 main spans
Daily traffic
13,295
2012 count
Owner
State
State Highway Agency

About this bridge

I-69 WB over I-94 is a steel continuous stringer/multi-beam or girder carrying I-69 WB over I-94 in St. Clair County, Michigan. It was built in 2013, so it is 12 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 13,295 vehicles a day, roughly 12% of them trucks, projected to reach 15,788 by 2033. The structure is 326 ft (99.4 m) long and 51 ft wide.

CarriesI-69 WB
CrossesI-94
Location@ I-69
RouteInterstate 69
Coordinates42.97569, -82.4785
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.5 US tons
Inventory rating59.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadGreater than HL 93
Structure length326 ft (99.4 m)
Longest span163 ft (49.7 m)
Deck width51 ft (15.6 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,295 (2012)
Projected traffic15,788 by 2033
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-69 WB over I-94 built?

It was built in 2013, making it 12 years old in 2025.

What condition is I-69 WB over I-94 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 September 2023.

How much traffic does I-69 WB over I-94 carry?

About 13,295 vehicles per day (2012 count), of which roughly 12% are trucks.

How long is I-69 WB over I-94?

The structure is 326 ft (99.4 m) long with a longest span of 163 ft (49.7 m) and a deck 51 ft wide.

Who owns I-69 WB over I-94?

It is owned by the State Highway Agency.