US Bridges

Jonesville Road over I-69

Fair

Branch County, Michigan · 3.4 MI N of US-12 · Structure no. 000000000001096

Built
1967
58 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
216 ft
2 main spans
Daily traffic
900
1988 count
Owner
State
State Highway Agency

About this bridge

Jonesville Road over I-69 is a steel continuous stringer/multi-beam or girder carrying Jonesville Road over I-69 in Branch County, Michigan. It was built in 1967, so it is 58 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 900 vehicles a day, projected to reach 1,035 by 2008. The structure is 216 ft (65.8 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesJonesville Road
CrossesI-69
Location3.4 MI N of US-12
RouteCounty Highway 1274
Coordinates41.98557, -84.9717
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.1 US tons
Inventory rating51.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length216 ft (65.8 m)
Longest span108 ft (32.9 m)
Deck width36 ft (11.1 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic900 (1988)
Projected traffic1,035 by 2008
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 Jonesville Road over I-69 built?

It was built in 1967, making it 58 years old in 2025.

What condition is Jonesville Road over I-69 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 May 2023.

How much traffic does Jonesville Road over I-69 carry?

About 900 vehicles per day (1988 count).

How long is Jonesville Road over I-69?

The structure is 216 ft (65.8 m) long with a longest span of 108 ft (32.9 m) and a deck 36 ft wide.

Who owns Jonesville Road over I-69?

It is owned by the State Highway Agency.