US Bridges

Keefer RD over I-96

FairPosted for load

Ionia County, Michigan · 6.4 MI E of M-66 · Structure no. 000000000003990

Built
1958
67 years old
Condition
Fair
inspected December 2024
Type
Tee Beam
Concrete Continuous
Length
276 ft
4 main spans
Daily traffic
320
1974 count
Owner
State
State Highway Agency

About this bridge

Keefer RD over I-96 is a concrete continuous tee beam carrying Keefer RD over I-96 in Ionia County, Michigan. It was built in 1958, so it is 67 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. Its operating status is: posted for load restriction.

It carries about 320 vehicles a day, projected to reach 320 by 1977. The structure is 276 ft (84.2 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesKeefer RD
CrossesI-96
Location6.4 MI E of M-66
RouteCounty Highway 0
CountyIonia County
StateMichigan
Coordinates42.86661, -84.95594
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42.1 US tons
Inventory rating25.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length276 ft (84.2 m)
Longest span82 ft (25.1 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic320 (1974)
Projected traffic320 by 1977
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

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 Keefer RD over I-96 built?

It was built in 1958, making it 67 years old in 2025.

What condition is Keefer RD over I-96 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 Keefer RD over I-96 carry?

About 320 vehicles per day (1974 count).

How long is Keefer RD over I-96?

The structure is 276 ft (84.2 m) long with a longest span of 82 ft (25.1 m) and a deck 33 ft wide.

Who owns Keefer RD over I-96?

It is owned by the State Highway Agency.