US Bridges

SR 56 over Plum Run

Good

Pickaway County, Ohio · 2.85 MI E of SR 159 · Structure no. 6501540

Built
1993
32 years old
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
42 ft
1 main span
Daily traffic
3,803
2015 count
Owner
State
State Highway Agency

About this bridge

SR 56 over Plum Run is a prestressed concrete box beam or girders - multiple carrying SR 56 over Plum Run in Pickaway County, Ohio. It was built in 1993, so it is 32 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 3,803 vehicles a day, roughly 7% of them trucks, projected to reach 5,279 by 2035. The structure is 42 ft (12.9 m) long and 36 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesSR 56
CrossesPlum Run
Location2.85 MI E of SR 159
RouteState Highway 56
CountyPickaway County
StateOhio
Coordinates39.51442, -82.79615
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.2 US tons
Inventory rating41.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length42 ft (12.9 m)
Longest span41 ft (12.5 m)
Deck width36 ft (11 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,803 (2015)
Projected traffic5,279 by 2035
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemNo

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 SR 56 over Plum Run built?

It was built in 1993, making it 32 years old in 2025.

What condition is SR 56 over Plum Run 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 June 2023.

How much traffic does SR 56 over Plum Run carry?

About 3,803 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is SR 56 over Plum Run?

The structure is 42 ft (12.9 m) long with a longest span of 41 ft (12.5 m) and a deck 36 ft wide.

Who owns SR 56 over Plum Run?

It is owned by the State Highway Agency.