US Bridges

Center RD over I-69

Fair

Clinton County, Michigan · 4.0 MI N of East Lansing · Structure no. 000000000001852

Built
1985
40 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
378 ft
4 main spans
Daily traffic
120
1984 count
Owner
State
State Highway Agency

About this bridge

Center RD over I-69 is a steel continuous stringer/multi-beam or girder carrying Center RD over I-69 in Clinton County, Michigan. It was built in 1985, so it is 40 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 120 vehicles a day, roughly 3% of them trucks, projected to reach 475 by 2015. The structure is 378 ft (115.1 m) long and 39 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCenter RD
CrossesI-69
Location4.0 MI N of East Lansing
RouteCounty Highway 0
CountyClinton County
StateMichigan
Coordinates42.78569, -84.41832
Functional classRural Major Collector

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 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 rating63.9 US tons
Inventory rating38.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length378 ft (115.1 m)
Longest span138 ft (42.1 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (1984)
Projected traffic475 by 2015
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

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 Center RD over I-69 built?

It was built in 1985, making it 40 years old in 2025.

What condition is Center RD 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 May 2024.

How much traffic does Center RD over I-69 carry?

About 120 vehicles per day (1984 count), of which roughly 3% are trucks.

How long is Center RD over I-69?

The structure is 378 ft (115.1 m) long with a longest span of 138 ft (42.1 m) and a deck 39 ft wide.

Who owns Center RD over I-69?

It is owned by the State Highway Agency.