US Bridges

US-31 & I-94BL over I-94

Good

Berrien County, Michigan · I-94/US-31 Interchange · Structure no. 000000000013112

Built
2021
4 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
188 ft
2 main spans
Daily traffic
9,100
2011 count
Owner
State
State Highway Agency

About this bridge

US-31 & I-94BL over I-94 is a prestressed concrete stringer/multi-beam or girder carrying US-31 & I-94BL over I-94 in Berrien County, Michigan. It was built in 2021, so it is 4 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 9,100 vehicles a day, roughly 8% of them trucks, projected to reach 14,400 by 2031. The structure is 188 ft (57.3 m) long and 94 ft wide.

CarriesUS-31 & I-94BL
CrossesI-94
LocationI-94/US-31 Interchange
RouteU.S. Route 31
Coordinates42.1161, -86.3931
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment0: Immediate repair necessary to put back in service
Operating rating70.3 US tons
Inventory rating47.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadGreater than HL 93
Structure length188 ft (57.3 m)
Longest span92 ft (28 m)
Deck width94 ft (28.8 m)
Roadway width91 ft (27.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,100 (2011)
Projected traffic14,400 by 2031
Trucks8%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 US-31 & I-94BL over I-94 built?

It was built in 2021, making it 4 years old in 2025.

What condition is US-31 & I-94BL 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 June 2024.

How much traffic does US-31 & I-94BL over I-94 carry?

About 9,100 vehicles per day (2011 count), of which roughly 8% are trucks.

How long is US-31 & I-94BL over I-94?

The structure is 188 ft (57.3 m) long with a longest span of 92 ft (28 m) and a deck 94 ft wide.

Who owns US-31 & I-94BL over I-94?

It is owned by the State Highway Agency.