US Bridges

I-96 EB over Okemos RD

Fair

Ionia County, Michigan · S Lts of Portland · Structure no. 000000000003994

Built
1959
66 years old
Condition
Fair
inspected December 2024
Type
Tee Beam
Concrete Continuous
Length
115 ft
3 main spans
Daily traffic
20,074
2007 count
Owner
State
State Highway Agency

About this bridge

I-96 EB over Okemos RD is a concrete continuous tee beam carrying I-96 EB over Okemos RD in Ionia 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 20,074 vehicles a day, roughly 15% of them trucks, projected to reach 19,274 by 2018. The structure is 115 ft (35 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-96 EB
CrossesOkemos RD
LocationS Lts of Portland
RouteInterstate 96
Coordinates42.86097, -84.90177
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.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating67.5 US tons
Inventory rating40.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length115 ft (35 m)
Longest span45 ft (13.7 m)
Deck width47 ft (14.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,074 (2007)
Projected traffic19,274 by 2018
Trucks15%
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-96 EB over Okemos RD built?

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

What condition is I-96 EB over Okemos 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-96 EB over Okemos RD carry?

About 20,074 vehicles per day (2007 count), of which roughly 15% are trucks.

How long is I-96 EB over Okemos RD?

The structure is 115 ft (35 m) long with a longest span of 45 ft (13.7 m) and a deck 47 ft wide.

Who owns I-96 EB over Okemos RD?

It is owned by the State Highway Agency.