US Bridges

I-94 WB over Concord RD

Fair

Jackson County, Michigan · 3.1 MI E of M-99 · Structure no. 000000000004427

Built
1959
66 years old
Condition
Fair
inspected November 2024
Type
Tee Beam
Concrete Continuous
Length
118 ft
3 main spans
Daily traffic
17,300
2022 count
Owner
State
State Highway Agency

About this bridge

I-94 WB over Concord RD is a concrete continuous tee beam carrying I-94 WB over Concord RD in Jackson County, Michigan. It was built in 1959, so it is 66 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 6 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 17,300 vehicles a day, roughly 23% of them trucks, projected to reach 19,113 by 2042. The structure is 118 ft (36 m) long and 48 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-94 WB
CrossesConcord RD
Location3.1 MI E of M-99
RouteInterstate 94
Coordinates42.26229, -84.64913
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 6 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length118 ft (36 m)
Longest span46 ft (14 m)
Deck width48 ft (14.6 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,300 (2022)
Projected traffic19,113 by 2042
Trucks23%
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 WB over Concord RD built?

It was built in 1959, making it 66 years old in 2025.

What condition is I-94 WB over Concord RD 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 November 2024.

How much traffic does I-94 WB over Concord RD carry?

About 17,300 vehicles per day (2022 count), of which roughly 23% are trucks.

How long is I-94 WB over Concord RD?

The structure is 118 ft (36 m) long with a longest span of 46 ft (14 m) and a deck 48 ft wide.

Who owns I-94 WB over Concord RD?

It is owned by the State Highway Agency.