US Bridges

I-94 over Parma RD

Fair

Jackson County, Michigan · 6.3 MI W of M-60 · Structure no. 000000000004412

Built
1954
71 years old
Condition
Fair
inspected December 2024
Type
Tee Beam
Concrete Continuous
Length
145 ft
3 main spans
Daily traffic
30,873
2014 count
Owner
State
State Highway Agency

About this bridge

I-94 over Parma RD is a concrete continuous tee beam carrying I-94 over Parma RD in Jackson County, Michigan. It was built in 1954, so it is 71 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 30,873 vehicles a day, roughly 23% of them trucks, projected to reach 35,504 by 2034. The structure is 145 ft (44.2 m) long and 99 ft wide.

CarriesI-94
CrossesParma RD
Location6.3 MI W of M-60
RouteInterstate 94
Coordinates42.2692, -84.59991
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 inspectionDecember 2024
Inspection intervalevery 5 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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating40.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length145 ft (44.2 m)
Longest span58 ft (17.7 m)
Deck width99 ft (30.3 m)
Roadway width88 ft (26.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,873 (2014)
Projected traffic35,504 by 2034
Trucks23%
Lanes on structure4
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-94 over Parma RD built?

It was built in 1954, making it 71 years old in 2025.

What condition is I-94 over Parma 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 December 2024.

How much traffic does I-94 over Parma RD carry?

About 30,873 vehicles per day (2014 count), of which roughly 23% are trucks.

How long is I-94 over Parma RD?

The structure is 145 ft (44.2 m) long with a longest span of 58 ft (17.7 m) and a deck 99 ft wide.

Who owns I-94 over Parma RD?

It is owned by the State Highway Agency.