US Bridges

I-69 WB over Graham Road

Fair

Lapeer County, Michigan · 4.2 MI SE of Imlay City · Structure no. 000000000005361

Built
1979
46 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
95 ft
1 main span
Daily traffic
6,918
2007 count
Owner
State
State Highway Agency

About this bridge

I-69 WB over Graham Road is a steel stringer/multi-beam or girder carrying I-69 WB over Graham Road in Lapeer County, Michigan. It was built in 1979, so it is 46 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 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 6,918 vehicles a day, roughly 24% of them trucks, projected to reach 9,017 by 2018. The structure is 95 ft (28.9 m) long and 46 ft wide.

Location

Open in Google Maps
CarriesI-69 WB
CrossesGraham Road
Location4.2 MI SE of Imlay City
RouteInterstate 69
CountyLapeer County
StateMichigan
Coordinates42.99529, -83.0069
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating102.2 US tons
Inventory rating61.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length95 ft (28.9 m)
Longest span95 ft (28.9 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,918 (2007)
Projected traffic9,017 by 2018
Trucks24%
Lanes on structure2
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 proposedDeck replacement with only incidental widening
Estimated improvement cost$41,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-69 WB over Graham Road built?

It was built in 1979, making it 46 years old in 2025.

What condition is I-69 WB over Graham Road 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 January 2024.

How much traffic does I-69 WB over Graham Road carry?

About 6,918 vehicles per day (2007 count), of which roughly 24% are trucks.

How long is I-69 WB over Graham Road?

The structure is 95 ft (28.9 m) long with a longest span of 95 ft (28.9 m) and a deck 46 ft wide.

Who owns I-69 WB over Graham Road?

It is owned by the State Highway Agency.