US Bridges

SR 317 over Miller Ditch

Good

Franklin County, Ohio · 0.527 MI S of IR70 · Structure no. 2516454

Built
2020
5 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
30 ft
1 main span
Daily traffic
30,800
2018 count
Owner
State
State Highway Agency

About this bridge

SR 317 over Miller Ditch is a concrete culvert carrying SR 317 over Miller Ditch in Franklin County, Ohio. It was built in 2020, so it is 5 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 30,800 vehicles a day, roughly 5% of them trucks, projected to reach 32,400 by 2038. The structure is 30 ft (9.2 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesSR 317
CrossesMiller Ditch
Location0.527 MI S of IR70
RouteState Highway 317
StateOhio
Coordinates39.92893, -82.8794
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection9 ExcellentNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating53.6 US tons
Inventory rating42.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length30 ft (9.2 m)
Longest span28 ft (8.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,800 (2018)
Projected traffic32,400 by 2038
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 317 over Miller Ditch built?

It was built in 2020, making it 5 years old in 2025.

What condition is SR 317 over Miller Ditch 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 November 2024.

How much traffic does SR 317 over Miller Ditch carry?

About 30,800 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is SR 317 over Miller Ditch?

The structure is 30 ft (9.2 m) long with a longest span of 28 ft (8.6 m).

Who owns SR 317 over Miller Ditch?

It is owned by the State Highway Agency.