US Bridges

I-69 NB over Stine RD

Fair

Eaton County, Michigan · 2.3 MI NE of Olivet · Structure no. 000000000002261

Built
1972
53 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
142 ft
3 main spans
Daily traffic
15,549
2020 count
Owner
State
State Highway Agency

About this bridge

I-69 NB over Stine RD is a steel stringer/multi-beam or girder carrying I-69 NB over Stine RD in Eaton County, Michigan. It was built in 1972, so it is 53 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.

It carries about 15,549 vehicles a day, roughly 25% of them trucks, projected to reach 17,180 by 2040. The structure is 142 ft (43.2 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-69 NB
CrossesStine RD
Location2.3 MI NE of Olivet
RouteInterstate 69
CountyEaton County
StateMichigan
Coordinates42.47013, -84.8952
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating44.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length142 ft (43.2 m)
Longest span66 ft (20.1 m)
Deck width45 ft (13.7 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,549 (2020)
Projected traffic17,180 by 2040
Trucks25%
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 proposedDeck replacement with only incidental widening
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-69 NB over Stine RD built?

It was built in 1972, making it 53 years old in 2025.

What condition is I-69 NB over Stine 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 May 2023.

How much traffic does I-69 NB over Stine RD carry?

About 15,549 vehicles per day (2020 count), of which roughly 25% are trucks.

How long is I-69 NB over Stine RD?

The structure is 142 ft (43.2 m) long with a longest span of 66 ft (20.1 m) and a deck 45 ft wide.

Who owns I-69 NB over Stine RD?

It is owned by the State Highway Agency.