US Bridges

I-69 SB over EB Turning Roadway

Fair

Clinton County, Michigan · 6.0 M NW of Lansing · Structure no. 000000000001873

Built
1981
44 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
286 ft
3 main spans
Daily traffic
10,507
2007 count
Owner
State
State Highway Agency

About this bridge

I-69 SB over EB Turning Roadway is a steel stringer/multi-beam or girder carrying I-69 SB over EB Turning Roadway in Clinton County, Michigan. It was built in 1981, so it is 44 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 10,507 vehicles a day, roughly 16% of them trucks, projected to reach 23,290 by 2018. The structure is 286 ft (87.3 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-69 SB
CrossesEB Turning Roadway
Location6.0 M NW of Lansing
RouteInterstate 69
CountyClinton County
StateMichigan
Coordinates42.78765, -84.66078
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
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 geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating61.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length286 ft (87.3 m)
Longest span161 ft (49.1 m)
Deck width46 ft (14 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,507 (2007)
Projected traffic23,290 by 2018
Trucks16%
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-69 SB over EB Turning Roadway built?

It was built in 1981, making it 44 years old in 2025.

What condition is I-69 SB over EB Turning Roadway 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 April 2024.

How much traffic does I-69 SB over EB Turning Roadway carry?

About 10,507 vehicles per day (2007 count), of which roughly 16% are trucks.

How long is I-69 SB over EB Turning Roadway?

The structure is 286 ft (87.3 m) long with a longest span of 161 ft (49.1 m) and a deck 46 ft wide.

Who owns I-69 SB over EB Turning Roadway?

It is owned by the State Highway Agency.