US Bridges

Janes RD over I-675 Ramp

Fair

Saginaw County, Michigan · @ I-75 · Structure no. 000000000009124

Built
1971
54 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
110 ft
3 main spans
Daily traffic
1,409
1994 count
Owner
State
State Highway Agency

About this bridge

Janes RD over I-675 Ramp is a steel stringer/multi-beam or girder carrying Janes RD over I-675 Ramp in Saginaw County, Michigan. It was built in 1971, so it is 54 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 1,409 vehicles a day, roughly 3% of them trucks, projected to reach 1,040 by 1977. The structure is 110 ft (33.4 m) long and 32 ft wide.

CarriesJanes RD
CrossesI-675 Ramp
Location@ I-75
RouteCounty Highway 0
Coordinates43.42901, -83.88958
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionOctober 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating30.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length110 ft (33.4 m)
Longest span44 ft (13.3 m)
Deck width32 ft (9.9 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,409 (1994)
Projected traffic1,040 by 1977
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 Janes RD over I-675 Ramp built?

It was built in 1971, making it 54 years old in 2025.

What condition is Janes RD over I-675 Ramp 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 October 2024.

How much traffic does Janes RD over I-675 Ramp carry?

About 1,409 vehicles per day (1994 count), of which roughly 3% are trucks.

How long is Janes RD over I-675 Ramp?

The structure is 110 ft (33.4 m) long with a longest span of 44 ft (13.3 m) and a deck 32 ft wide.

Who owns Janes RD over I-675 Ramp?

It is owned by the State Highway Agency.