US Bridges

Ramp Ridge RD-I71S over I71*N

Fair

Hamilton County, Ohio · .2 MI N of SR 562 · Structure no. 3115135

Built
1972
53 years old
Condition
Fair
inspected September 2024
Type
Girder and Floorbeam System
Steel Continuous
Length
412 ft
3 main spans
Daily traffic
11,429
2003 count
Owner
State
State Highway Agency

About this bridge

Ramp Ridge RD-I71S over I71*N is a steel continuous girder and floorbeam system carrying Ramp Ridge RD-I71S over I71*N in Hamilton County, Ohio. It was built in 1972, so it is 53 years old, older than the Ohio average of 47.3 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 11,429 vehicles a day, roughly 4% of them trucks, projected to reach 84,889 by 2023. The structure is 412 ft (125.6 m) long and 31 ft wide.

CarriesRamp Ridge RD-I71S
CrossesI71*N
Location.2 MI N of SR 562
RouteInterstate 71
StateOhio
Coordinates39.16494, -84.4281
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length412 ft (125.6 m)
Longest span185 ft (56.4 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,429 (2003)
Projected traffic84,889 by 2023
Trucks4%
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 Ridge RD-I71S over I71*N built?

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

What condition is Ramp Ridge RD-I71S over I71*N 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 Ramp Ridge RD-I71S over I71*N carry?

About 11,429 vehicles per day (2003 count), of which roughly 4% are trucks.

How long is Ramp Ridge RD-I71S over I71*N?

The structure is 412 ft (125.6 m) long with a longest span of 185 ft (56.4 m) and a deck 31 ft wide.

Who owns Ramp Ridge RD-I71S over I71*N?

It is owned by the State Highway Agency.