US Bridges

I-94 EB over 9 Mile Road

Good

Calhoun County, Michigan · 3.2 MI E of M-66 · Structure no. 000000000001265

Built
2024
1 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
116 ft
1 main span
Daily traffic
24,162
2023 count
Owner
State
State Highway Agency

About this bridge

I-94 EB over 9 Mile Road is a prestressed concrete stringer/multi-beam or girder carrying I-94 EB over 9 Mile Road in Calhoun County, Michigan. It was built in 2024, so it is 1 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 24,162 vehicles a day, roughly 34% of them trucks, projected to reach 29,698 by 2037. The structure is 116 ft (35.4 m) long and 57 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-94 EB
Crosses9 Mile Road
Location3.2 MI E of M-66
RouteInterstate 94
CountyCalhoun County
StateMichigan
Coordinates42.28706, -85.12047
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.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 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 alignment8: Equal to present desirable criteria
Operating rating72.5 US tons
Inventory rating39.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length116 ft (35.4 m)
Longest span113 ft (34.4 m)
Deck width57 ft (17.5 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,162 (2023)
Projected traffic29,698 by 2037
Trucks34%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
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-94 EB over 9 Mile Road built?

It was built in 2024, making it 1 years old in 2025.

What condition is I-94 EB over 9 Mile Road 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 October 2024.

How much traffic does I-94 EB over 9 Mile Road carry?

About 24,162 vehicles per day (2023 count), of which roughly 34% are trucks.

How long is I-94 EB over 9 Mile Road?

The structure is 116 ft (35.4 m) long with a longest span of 113 ft (34.4 m) and a deck 57 ft wide.

Who owns I-94 EB over 9 Mile Road?

It is owned by the State Highway Agency.