US Bridges

SR 39 over Rocky Fork

Fair

Richland County, Ohio · 1.53 Miles East of SR 430 · Structure no. 7002432

Built
1930
95 years old, rebuilt 1970
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
104 ft
1 main span
Daily traffic
2,081
2015 count
Owner
State
State Highway Agency

About this bridge

SR 39 over Rocky Fork is a prestressed concrete box beam or girders - multiple carrying SR 39 over Rocky Fork in Richland County, Ohio. It was built in 1930 and reconstructed in 1970, so it is 95 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 2,081 vehicles a day, roughly 13% of them trucks, projected to reach 2,888 by 2035. The structure is 104 ft (31.7 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSR 39
CrossesRocky Fork
Location1.53 Miles East of SR 430
RouteState Highway 39
CountyRichland County
StateOhio
Coordinates40.74105, -82.46269
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating46.4 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length104 ft (31.7 m)
Longest span98 ft (29.9 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,081 (2015)
Projected traffic2,888 by 2035
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 39 over Rocky Fork built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1970.

What condition is SR 39 over Rocky Fork 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 May 2024.

How much traffic does SR 39 over Rocky Fork carry?

About 2,081 vehicles per day (2015 count), of which roughly 13% are trucks.

How long is SR 39 over Rocky Fork?

The structure is 104 ft (31.7 m) long with a longest span of 98 ft (29.9 m) and a deck 30 ft wide.

Who owns SR 39 over Rocky Fork?

It is owned by the State Highway Agency.