US Bridges

NB I-270 C/D Road over I-70

Fair

Franklin County, Ohio · 1.88 MI N of SR317 · Structure no. 2514761

Built
1970
55 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
372 ft
4 main spans
Daily traffic
32,500
1990 count
Owner
State
State Highway Agency

About this bridge

NB I-270 C/D Road over I-70 is a steel continuous stringer/multi-beam or girder carrying NB I-270 C/D Road over I-70 in Franklin County, Ohio. It was built in 1970, so it is 55 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 32,500 vehicles a day, projected to reach 45,110 by 2010. The structure is 372 ft (113.4 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesNB I-270 C/D Road
CrossesI-70
Location1.88 MI N of SR317
RouteInterstate 270
CountyFranklin County
StateOhio
Coordinates39.93436, -82.85166
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating39.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length372 ft (113.4 m)
Longest span112 ft (34.1 m)
Deck width37 ft (11.3 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,500 (1990)
Projected traffic45,110 by 2010
Trucks—
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 I-70 built?

It was built in 1970, making it 55 years old in 2025.

What condition is NB I-270 C/D Road over I-70 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 November 2024.

How much traffic does NB I-270 C/D Road over I-70 carry?

About 32,500 vehicles per day (1990 count).

How long is NB I-270 C/D Road over I-70?

The structure is 372 ft (113.4 m) long with a longest span of 112 ft (34.1 m) and a deck 37 ft wide.

Who owns NB I-270 C/D Road over I-70?

It is owned by the State Highway Agency.