US Bridges

I-75 SB over Genesee Ave

Fair

Saginaw County, Michigan · 10.5 MI NW of Genesee CO · Structure no. 000000000009199

Built
1961
64 years old, rebuilt 2007
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
203 ft
3 main spans
Daily traffic
25,971
2015 count
Owner
State
State Highway Agency

About this bridge

I-75 SB over Genesee Ave is a steel stringer/multi-beam or girder carrying I-75 SB over Genesee Ave in Saginaw County, Michigan. It was built in 1961 and reconstructed in 2007, so it is 64 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 25,971 vehicles a day, roughly 7% of them trucks, projected to reach 29,867 by 2035. The structure is 203 ft (61.9 m) long and 73 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-75 SB
CrossesGenesee Ave
Location10.5 MI NW of Genesee CO
RouteInterstate 75
CountySaginaw County
StateMichigan
Coordinates43.35075, -83.86469
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.8 US tons
Inventory rating46.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length203 ft (61.9 m)
Longest span104 ft (31.7 m)
Deck width73 ft (22.1 m)
Roadway width69 ft (21.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,971 (2015)
Projected traffic29,867 by 2035
Trucks7%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
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-75 SB over Genesee Ave built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2007.

What condition is I-75 SB over Genesee Ave 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 April 2024.

How much traffic does I-75 SB over Genesee Ave carry?

About 25,971 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is I-75 SB over Genesee Ave?

The structure is 203 ft (61.9 m) long with a longest span of 104 ft (31.7 m) and a deck 73 ft wide.

Who owns I-75 SB over Genesee Ave?

It is owned by the State Highway Agency.