US Bridges

Lansing Road over I-69

Fair

Eaton County, Michigan · 3.2 MI NE of Potterville · Structure no. 000000000002277

Built
1989
36 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
366 ft
2 main spans
Daily traffic
10,600
2015 count
Owner
State
State Highway Agency

About this bridge

Lansing Road over I-69 is a steel continuous stringer/multi-beam or girder carrying Lansing Road over I-69 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 10,600 vehicles a day, roughly 11% of them trucks, projected to reach 12,190 by 2035. The structure is 366 ft (111.7 m) long and 71 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLansing Road
CrossesI-69
Location3.2 MI NE of Potterville
RouteCounty Highway 0
Coordinates42.6586, -84.68388
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.8 US tons
Inventory rating37.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length366 ft (111.7 m)
Longest span180 ft (54.9 m)
Deck width71 ft (21.7 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,600 (2015)
Projected traffic12,190 by 2035
Trucks11%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Lansing Road over I-69 built?

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

What condition is Lansing 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 June 2023.

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

About 10,600 vehicles per day (2015 count), of which roughly 11% are trucks.

How long is Lansing Road over I-69?

The structure is 366 ft (111.7 m) long with a longest span of 180 ft (54.9 m) and a deck 71 ft wide.

Who owns Lansing Road over I-69?

It is owned by the State Highway Agency.