US Bridges

NB I-270 C/D Road over Ramp a

Good

Franklin County, Ohio · 01.60 MI S.Of SR161 · Structure no. 2512165

Built
1997
28 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
274 ft
2 main spans
Daily traffic
102,964
2015 count
Owner
State
State Highway Agency

About this bridge

NB I-270 C/D Road over Ramp a is a steel continuous stringer/multi-beam or girder carrying NB I-270 C/D Road over Ramp a in Franklin County, Ohio. It was built in 1997, so it is 28 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 102,964 vehicles a day, roughly 13% of them trucks, projected to reach 142,914 by 2035. The structure is 274 ft (83.5 m) long and 68 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesNB I-270 C/D Road
CrossesRamp a
Location01.60 MI S.Of SR161
RouteInterstate 270
CountyFranklin County
StateOhio
Coordinates40.0594, -82.90339
Functional classUrban 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
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64.6 US tons
Inventory rating50 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length274 ft (83.5 m)
Longest span152 ft (46.3 m)
Deck width68 ft (20.7 m)
Roadway width65 ft (19.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic102,964 (2015)
Projected traffic142,914 by 2035
Trucks13%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed123.7 mi (199 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 NB I-270 C/D Road over Ramp a built?

It was built in 1997, making it 28 years old in 2025.

What condition is NB I-270 C/D Road 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 January 2025.

How much traffic does NB I-270 C/D Road over Ramp a carry?

About 102,964 vehicles per day (2015 count), of which roughly 13% are trucks.

How long is NB I-270 C/D Road over Ramp a?

The structure is 274 ft (83.5 m) long with a longest span of 152 ft (46.3 m) and a deck 68 ft wide.

Who owns NB I-270 C/D Road over Ramp a?

It is owned by the State Highway Agency.