US Bridges

I-670 over SR 315 / Olentangy R.

Good

Franklin County, Ohio · 0.16 MI E of US33 · Structure no. 2505924

Built
2000
25 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
688 ft
7 main spans
Daily traffic
74,266
2015 count
Owner
State
State Highway Agency

About this bridge

I-670 over SR 315 / Olentangy R. is a steel continuous stringer/multi-beam or girder carrying I-670 over SR 315 / Olentangy R. in Franklin County, Ohio. It was built in 2000, so it is 25 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 74,266 vehicles a day, roughly 6% of them trucks, projected to reach 103,081 by 2035. The structure is 688 ft (209.6 m) long and 97 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesI-670
CrossesSR 315 / Olentangy R.
Location0.16 MI E of US33
RouteInterstate 670
CountyFranklin County
StateOhio
Coordinates39.96852, -83.02279
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.2 US tons
Inventory rating25 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20 + Mod
Structure length688 ft (209.6 m)
Longest span108 ft (32.9 m)
Deck width97 ft (29.6 m)
Roadway width94 ft (28.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic74,266 (2015)
Projected traffic103,081 by 2035
Trucks6%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed5 mi (8 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 I-670 over SR 315 / Olentangy R. built?

It was built in 2000, making it 25 years old in 2025.

What condition is I-670 over SR 315 / Olentangy R. 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 December 2024.

How much traffic does I-670 over SR 315 / Olentangy R. carry?

About 74,266 vehicles per day (2015 count), of which roughly 6% are trucks.

How long is I-670 over SR 315 / Olentangy R.?

The structure is 688 ft (209.6 m) long with a longest span of 108 ft (32.9 m) and a deck 97 ft wide.

Who owns I-670 over SR 315 / Olentangy R.?

It is owned by the State Highway Agency.