US Bridges

SB I-270 over Alum Creek

Fair

Franklin County, Ohio · 2.72 MI S of SR317 · Structure no. 2513986

Built
1968
57 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
212 ft
3 main spans
Daily traffic
48,266
2015 count
Owner
State
State Highway Agency

About this bridge

SB I-270 over Alum Creek is a steel continuous stringer/multi-beam or girder carrying SB I-270 over Alum Creek 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 48,266 vehicles a day, roughly 13% of them trucks, projected to reach 66,993 by 2035. The structure is 212 ft (64.6 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSB I-270
CrossesAlum Creek
Location2.72 MI S of SR317
RouteInterstate 270
CountyFranklin County
StateOhio
Coordinates39.88749, -82.91293
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating53.6 US tons
Inventory rating42.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length212 ft (64.6 m)
Longest span80 ft (24.4 m)
Deck width54 ft (16.5 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic48,266 (2015)
Projected traffic66,993 by 2035
Trucks13%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 SB I-270 over Alum Creek built?

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

What condition is SB I-270 over Alum Creek 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 SB I-270 over Alum Creek carry?

About 48,266 vehicles per day (2015 count), of which roughly 13% are trucks.

How long is SB I-270 over Alum Creek?

The structure is 212 ft (64.6 m) long with a longest span of 80 ft (24.4 m) and a deck 54 ft wide.

Who owns SB I-270 over Alum Creek?

It is owned by the State Highway Agency.