US Bridges

I-69 WB over M-24 Nb|s Lapeer RD

Fair

Lapeer County, Michigan · 1.0 MI S of Lapeer M-24 · Structure no. 000000000005333

Built
1971
54 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
170 ft
2 main spans
Daily traffic
13,176
2007 count
Owner
State
State Highway Agency

About this bridge

I-69 WB over M-24 Nb|s Lapeer RD is a steel stringer/multi-beam or girder carrying I-69 WB over M-24 Nb|s Lapeer RD in Lapeer County, Michigan. It was built in 1971, so it is 54 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 13,176 vehicles a day, roughly 18% of them trucks, projected to reach 14,061 by 2018. The structure is 170 ft (51.8 m) long and 52 ft wide.

Location

Open in Google Maps
CarriesI-69 WB
CrossesM-24 Nb|s Lapeer RD
Location1.0 MI S of Lapeer M-24
RouteInterstate 69
CountyLapeer County
StateMichigan
Coordinates43.02463, -83.32253
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.8 US tons
Inventory rating42.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length170 ft (51.8 m)
Longest span86 ft (26.2 m)
Deck width52 ft (16 m)
Roadway width49 ft (14.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,176 (2007)
Projected traffic14,061 by 2018
Trucks18%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 WB over M-24 Nb|s Lapeer RD built?

It was built in 1971, making it 54 years old in 2025.

What condition is I-69 WB over M-24 Nb|s Lapeer RD 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 WB over M-24 Nb|s Lapeer RD carry?

About 13,176 vehicles per day (2007 count), of which roughly 18% are trucks.

How long is I-69 WB over M-24 Nb|s Lapeer RD?

The structure is 170 ft (51.8 m) long with a longest span of 86 ft (26.2 m) and a deck 52 ft wide.

Who owns I-69 WB over M-24 Nb|s Lapeer RD?

It is owned by the State Highway Agency.