US Bridges

I-69 SB on Ramp over Indian Creek

Fair

Eaton County, Michigan · 1.0 MI N of Olivet · Structure no. 000000000002239

Built
1972
53 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
100 ft
3 main spans
Daily traffic
1,400
1988 count
Owner
State
State Highway Agency

About this bridge

I-69 SB on Ramp over Indian Creek is a prestressed concrete stringer/multi-beam or girder carrying I-69 SB on Ramp over Indian Creek 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 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 1,400 vehicles a day, roughly 11% of them trucks, projected to reach 1,040 by 2020. The structure is 100 ft (30.4 m) long and 28 ft wide.

Location

Open in Google Maps
CarriesI-69 SB on Ramp
CrossesIndian Creek
Location1.0 MI N of Olivet
RouteInterstate 69
CountyEaton County
StateMichigan
Coordinates42.45925, -84.93072
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.3 US tons
Inventory rating47.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length100 ft (30.4 m)
Longest span38 ft (11.7 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (1988)
Projected traffic1,040 by 2020
Trucks11%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-69 SB on Ramp over Indian Creek built?

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

What condition is I-69 SB on Ramp over Indian Creek 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 SB on Ramp over Indian Creek carry?

About 1,400 vehicles per day (1988 count), of which roughly 11% are trucks.

How long is I-69 SB on Ramp over Indian Creek?

The structure is 100 ft (30.4 m) long with a longest span of 38 ft (11.7 m) and a deck 28 ft wide.

Who owns I-69 SB on Ramp over Indian Creek?

It is owned by the State Highway Agency.