US Bridges

Stanley RD over I-75

Fair

Genesee County, Michigan · 5.1 MI S of M-57 · Structure no. 000000000002508

Built
1972
53 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
285 ft
3 main spans
Daily traffic
2,000
1996 count
Owner
State
State Highway Agency

About this bridge

Stanley RD over I-75 is a steel stringer/multi-beam or girder carrying Stanley RD over I-75 in Genesee County, Michigan. It was built in 1972, so it is 53 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 2,000 vehicles a day, roughly 3% of them trucks, projected to reach 3,600 by 2016. The structure is 285 ft (86.9 m) long and 49 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesStanley RD
CrossesI-75
Location5.1 MI S of M-57
RouteCounty Highway 0
CountyGenesee County
StateMichigan
Coordinates43.10438, -83.76312
Functional classUrban Local

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.
Substructure7 GoodSome minor problems.
Last inspectionJune 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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.8 US tons
Inventory rating42.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length285 ft (86.9 m)
Longest span135 ft (41.1 m)
Deck width49 ft (14.8 m)
Roadway width45 ft (13.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (1996)
Projected traffic3,600 by 2016
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Stanley RD over I-75 built?

It was built in 1972, making it 53 years old in 2025.

What condition is Stanley RD 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 June 2024.

How much traffic does Stanley RD over I-75 carry?

About 2,000 vehicles per day (1996 count), of which roughly 3% are trucks.

How long is Stanley RD over I-75?

The structure is 285 ft (86.9 m) long with a longest span of 135 ft (41.1 m) and a deck 49 ft wide.

Who owns Stanley RD over I-75?

It is owned by the State Highway Agency.