US Bridges

State Road over I-69

Fair

Branch County, Michigan · 1.4 MI N of US-12 · Structure no. 000000000001094

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
1,035
2008 count
Owner
State
State Highway Agency

About this bridge

State Road over I-69 is a steel continuous stringer/multi-beam or girder carrying State 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 1,035 vehicles a day, roughly 15% of them trucks, projected to reach 1,190 by 2028. The structure is 216 ft (65.8 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesState Road
CrossesI-69
Location1.4 MI N of US-12
RouteCounty Highway 1268
Coordinates41.95621, -84.97325
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating73.5 US tons
Inventory rating44 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length216 ft (65.8 m)
Longest span108 ft (32.9 m)
Deck width32 ft (9.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,035 (2008)
Projected traffic1,190 by 2028
Trucks15%
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 proposedDeck replacement with only incidental widening
Estimated improvement cost$72,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was State Road over I-69 built?

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

What condition is State 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 State Road over I-69 carry?

About 1,035 vehicles per day (2008 count), of which roughly 15% are trucks.

How long is State 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 32 ft wide.

Who owns State Road over I-69?

It is owned by the State Highway Agency.