US Bridges

I-69 SB over Lansing Road

Fair

Eaton County, Michigan · 3.0 MI NE of Charlotte · Structure no. 000000000002272

Built
1989
36 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
200 ft
3 main spans
Daily traffic
14,585
2007 count
Owner
State
State Highway Agency

About this bridge

I-69 SB over Lansing Road is a prestressed concrete stringer/multi-beam or girder carrying I-69 SB over Lansing Road in Eaton County, Michigan. It was built in 1989, so it is 36 years old, younger 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 14,585 vehicles a day, roughly 18% of them trucks, projected to reach 18,576 by 2018. The structure is 200 ft (61.1 m) long and 47 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesI-69 SB
CrossesLansing Road
Location3.0 MI NE of Charlotte
RouteInterstate 69
CountyEaton County
StateMichigan
Coordinates42.60667, -84.76776
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85 US tons
Inventory rating50.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length200 ft (61.1 m)
Longest span99 ft (30.1 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,585 (2007)
Projected traffic18,576 by 2018
Trucks18%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-69 SB over Lansing Road built?

It was built in 1989, making it 36 years old in 2025.

What condition is I-69 SB over Lansing Road 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 June 2023.

How much traffic does I-69 SB over Lansing Road carry?

About 14,585 vehicles per day (2007 count), of which roughly 18% are trucks.

How long is I-69 SB over Lansing Road?

The structure is 200 ft (61.1 m) long with a longest span of 99 ft (30.1 m) and a deck 47 ft wide.

Who owns I-69 SB over Lansing Road?

It is owned by the State Highway Agency.