US Bridges

Ramp I71N-I275E over Ramp a

Good

Hamilton County, Ohio · .2 MI N of Ir 275 · Structure no. 3107531

Built
1966
59 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
246 ft
4 main spans
Daily traffic
129,170
2009 count
Owner
State
State Highway Agency

About this bridge

Ramp I71N-I275E over Ramp a is a steel continuous stringer/multi-beam or girder carrying Ramp I71N-I275E over Ramp a in Hamilton County, Ohio. It was built in 1966, so it is 59 years old, older than the Ohio average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 129,170 vehicles a day, projected to reach 179,288 by 2029. The structure is 246 ft (75 m) long and 30 ft wide.

CarriesRamp I71N-I275E
CrossesRamp a
Location.2 MI N of Ir 275
RouteInterstate 71
StateOhio
Coordinates39.27307, -84.34853
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
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 rating42.9 US tons
Inventory rating32.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length246 ft (75 m)
Longest span68 ft (20.7 m)
Deck width30 ft (9.2 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic129,170 (2009)
Projected traffic179,288 by 2029
Trucks—
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
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 Ramp I71N-I275E over Ramp a built?

It was built in 1966, making it 59 years old in 2025.

What condition is Ramp I71N-I275E over Ramp a in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does Ramp I71N-I275E over Ramp a carry?

About 129,170 vehicles per day (2009 count).

How long is Ramp I71N-I275E over Ramp a?

The structure is 246 ft (75 m) long with a longest span of 68 ft (20.7 m) and a deck 30 ft wide.

Who owns Ramp I71N-I275E over Ramp a?

It is owned by the State Highway Agency.