US Bridges

SR 56 over Clark Run

Fair

Pickaway County, Ohio · 1.59 MI E of Madison Co. · Structure no. 6501176

Built
1961
64 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete Continuous
Length
53 ft
3 main spans
Daily traffic
1,644
2015 count
Owner
State
State Highway Agency

About this bridge

SR 56 over Clark Run is a concrete continuous slab carrying SR 56 over Clark Run in Pickaway County, Ohio. It was built in 1961, so it is 64 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 5 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 1,644 vehicles a day, roughly 14% of them trucks, projected to reach 2,282 by 2035. The structure is 53 ft (16.3 m) long and 36 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesSR 56
CrossesClark Run
Location1.59 MI E of Madison Co.
RouteState Highway 56
CountyPickaway County
StateOhio
Coordinates39.69876, -83.22947
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating28.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length53 ft (16.3 m)
Longest span20 ft (6.1 m)
Deck width36 ft (11 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,644 (2015)
Projected traffic2,282 by 2035
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Clark Run built?

It was built in 1961, making it 64 years old in 2025.

What condition is SR 56 over Clark Run 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 July 2024.

How much traffic does SR 56 over Clark Run carry?

About 1,644 vehicles per day (2015 count), of which roughly 14% are trucks.

How long is SR 56 over Clark Run?

The structure is 53 ft (16.3 m) long with a longest span of 20 ft (6.1 m) and a deck 36 ft wide.

Who owns SR 56 over Clark Run?

It is owned by the State Highway Agency.