US Bridges

Renton Road over I-94

PoorPosted for load

Calhoun County, Michigan · 1.0 MI E of Kalamazoo Col · Structure no. 000000000001249

Built
1959
66 years old
Condition
Poor
inspected September 2024
Type
Tee Beam
Concrete Continuous
Length
254 ft
4 main spans
Daily traffic
60
1988 count
Owner
State
State Highway Agency

About this bridge

Renton Road over I-94 is a concrete continuous tee beam carrying Renton Road over I-94 in Calhoun 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 poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 60 vehicles a day, projected to reach 40 by 1977. The structure is 254 ft (77.4 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesRenton Road
CrossesI-94
Location1.0 MI E of Kalamazoo Col
RouteCity Street 2011
CountyCalhoun County
StateMichigan
Coordinates42.26948, -85.27858
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating47.5 US tons
Inventory rating28.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length254 ft (77.4 m)
Longest span75 ft (22.8 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (1988)
Projected traffic40 by 1977
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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 Renton Road over I-94 built?

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

What condition is Renton Road over I-94 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does Renton Road over I-94 carry?

About 60 vehicles per day (1988 count).

How long is Renton Road over I-94?

The structure is 254 ft (77.4 m) long with a longest span of 75 ft (22.8 m) and a deck 33 ft wide.

Who owns Renton Road over I-94?

It is owned by the State Highway Agency.