US Bridges

SR 315 over Over Olentangy River Roa

Good

Franklin County, Ohio · 3.65 MI N of I70 · Structure no. 2515458

Built
1972
53 years old
Condition
Good
inspected October 2023
Type
Slab
Concrete Continuous
Length
106 ft
3 main spans
Daily traffic
102,217
2015 count
Owner
State
State Highway Agency

About this bridge

SR 315 over Over Olentangy River Roa is a concrete continuous slab carrying SR 315 over Over Olentangy River Roa in Franklin County, Ohio. It was built in 1972, so it is 53 years old, older 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 102,217 vehicles a day, roughly 4% of them trucks, projected to reach 141,877 by 2035. The structure is 106 ft (32.2 m) long and 105 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 315
CrossesOver Olentangy River Roa
Location3.65 MI N of I70
RouteState Highway 315
StateOhio
Coordinates39.9978, -83.02615
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.3 US tons
Inventory rating35.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length106 ft (32.2 m)
Longest span40 ft (12.2 m)
Deck width105 ft (32.1 m)
Roadway width102 ft (31.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic102,217 (2015)
Projected traffic141,877 by 2035
Trucks4%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 SR 315 over Over Olentangy River Roa built?

It was built in 1972, making it 53 years old in 2025.

What condition is SR 315 over Over Olentangy River Roa 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 October 2023.

How much traffic does SR 315 over Over Olentangy River Roa carry?

About 102,217 vehicles per day (2015 count), of which roughly 4% are trucks.

How long is SR 315 over Over Olentangy River Roa?

The structure is 106 ft (32.2 m) long with a longest span of 40 ft (12.2 m) and a deck 105 ft wide.

Who owns SR 315 over Over Olentangy River Roa?

It is owned by the State Highway Agency.