US Bridges

I-69 WB over M-15

Fair

Genesee County, Michigan · 6.0 MI E of Flint · Structure no. 000000000002597

Built
1970
55 years old, rebuilt 2006
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
163 ft
2 main spans
Daily traffic
22,084
2007 count
Owner
State
State Highway Agency

About this bridge

I-69 WB over M-15 is a steel stringer/multi-beam or girder carrying I-69 WB over M-15 in Genesee County, Michigan. It was built in 1970 and reconstructed in 2006, 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 22,084 vehicles a day, roughly 17% of them trucks, projected to reach 43,500 by 2026. The structure is 163 ft (49.7 m) long and 51 ft wide.

CarriesI-69 WB
CrossesM-15
Location6.0 MI E of Flint
RouteInterstate 69
Coordinates43.01168, -83.51745
Functional classUrban 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
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 rating81 US tons
Inventory rating48.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length163 ft (49.7 m)
Longest span81 ft (24.8 m)
Deck width51 ft (15.4 m)
Roadway width47 ft (14.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,084 (2007)
Projected traffic43,500 by 2026
Trucks17%
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-15 built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2006.

What condition is I-69 WB over M-15 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 I-69 WB over M-15 carry?

About 22,084 vehicles per day (2007 count), of which roughly 17% are trucks.

How long is I-69 WB over M-15?

The structure is 163 ft (49.7 m) long with a longest span of 81 ft (24.8 m) and a deck 51 ft wide.

Who owns I-69 WB over M-15?

It is owned by the State Highway Agency.