US Bridges

I-69 EB over I-75

Fair

Genesee County, Michigan · SW Lts of Flint · Structure no. 000000000002543

Built
1969
56 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
210 ft
4 main spans
Daily traffic
33,300
2017 count
Owner
State
State Highway Agency

About this bridge

I-69 EB over I-75 is a prestressed concrete stringer/multi-beam or girder carrying I-69 EB over I-75 in Genesee County, Michigan. It was built in 1969, so it is 56 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 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 33,300 vehicles a day, roughly 9% of them trucks, projected to reach 36,800 by 2037. The structure is 210 ft (64 m) long and 43 ft wide.

CarriesI-69 EB
CrossesI-75
LocationSW Lts of Flint
RouteInterstate 69
Coordinates42.98475, -83.73309
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.5 US tons
Inventory rating28.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length210 ft (64 m)
Longest span70 ft (21.2 m)
Deck width43 ft (13.2 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33,300 (2017)
Projected traffic36,800 by 2037
Trucks9%
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-69 EB over I-75 built?

It was built in 1969, making it 56 years old in 2025.

What condition is I-69 EB over I-75 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 September 2024.

How much traffic does I-69 EB over I-75 carry?

About 33,300 vehicles per day (2017 count), of which roughly 9% are trucks.

How long is I-69 EB over I-75?

The structure is 210 ft (64 m) long with a longest span of 70 ft (21.2 m) and a deck 43 ft wide.

Who owns I-69 EB over I-75?

It is owned by the State Highway Agency.