US Bridges

Lapeer RD over I-69

Fair

Genesee County, Michigan · In Flint · Structure no. 000000000002585

Built
1970
55 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
458 ft
4 main spans
Daily traffic
7,800
1988 count
Owner
State
State Highway Agency

About this bridge

Lapeer RD over I-69 is a steel stringer/multi-beam or girder carrying Lapeer RD over I-69 in Genesee County, Michigan. It was built in 1970, so it is 55 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 7,800 vehicles a day, projected to reach 8,970 by 2008. The structure is 458 ft (139.5 m) long and 66 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLapeer RD
CrossesI-69
LocationIn Flint
RouteCity Street 2002
Coordinates43.01035, -83.67303
Functional classUrban Minor 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Last inspectionAugust 2024
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 rating80.4 US tons
Inventory rating48.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length458 ft (139.5 m)
Longest span124 ft (37.8 m)
Deck width66 ft (20.2 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,800 (1988)
Projected traffic8,970 by 2008
Trucks—
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 proposedDeck replacement with only incidental widening
Estimated improvement cost$283,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Lapeer RD over I-69 built?

It was built in 1970, making it 55 years old in 2025.

What condition is Lapeer 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 August 2024.

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

About 7,800 vehicles per day (1988 count).

How long is Lapeer RD over I-69?

The structure is 458 ft (139.5 m) long with a longest span of 124 ft (37.8 m) and a deck 66 ft wide.

Who owns Lapeer RD over I-69?

It is owned by the State Highway Agency.