US Bridges

NB I-270 over Big Walnut/Noe Bixby RD

Fair

Franklin County, Ohio · 0.83 MI S of IR70 · Structure no. 2514494

Built
1968
57 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
459 ft
4 main spans
Daily traffic
38,298
2015 count
Owner
State
State Highway Agency

About this bridge

NB I-270 over Big Walnut/Noe Bixby RD is a steel continuous stringer/multi-beam or girder carrying NB I-270 over Big Walnut/Noe Bixby RD in Franklin County, Ohio. It was built in 1968, so it is 57 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 38,298 vehicles a day, roughly 13% of them trucks, projected to reach 53,158 by 2035. The structure is 459 ft (139.9 m) long and 48 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesNB I-270
CrossesBig Walnut/Noe Bixby RD
Location0.83 MI S of IR70
RouteInterstate 270
CountyFranklin County
StateOhio
Coordinates39.92691, -82.86464
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.
Channel and channel protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating46.4 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 length459 ft (139.9 m)
Longest span122 ft (37.2 m)
Deck width48 ft (14.6 m)
Roadway width45 ft (13.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38,298 (2015)
Projected traffic53,158 by 2035
Trucks13%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was NB I-270 over Big Walnut/Noe Bixby RD built?

It was built in 1968, making it 57 years old in 2025.

What condition is NB I-270 over Big Walnut/Noe Bixby RD 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 over Big Walnut/Noe Bixby RD carry?

About 38,298 vehicles per day (2015 count), of which roughly 13% are trucks.

How long is NB I-270 over Big Walnut/Noe Bixby RD?

The structure is 459 ft (139.9 m) long with a longest span of 122 ft (37.2 m) and a deck 48 ft wide.

Who owns NB I-270 over Big Walnut/Noe Bixby RD?

It is owned by the State Highway Agency.