US Bridges

Bishop Hill RD over Tributary Ralston Run

Fair

Ross County, Ohio · .02 MI SW of Reub Hill RD · Structure no. 7140509

Built
1933
92 years old, rebuilt 1986
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
28 ft
1 main span
Daily traffic
250
2023 count
Owner
County
County Highway Agency

About this bridge

Bishop Hill RD over Tributary Ralston Run is a prestressed concrete box beam or girders - multiple carrying Bishop Hill RD over Tributary Ralston Run in Ross County, Ohio. It was built in 1933 and reconstructed in 1986, so it is 92 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 6 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 250 vehicles a day, roughly 8% of them trucks, projected to reach 654 by 2035. The structure is 28 ft (8.5 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesBishop Hill RD
CrossesTributary Ralston Run
Location.02 MI SW of Reub Hill RD
RouteCounty Highway C0159
CountyRoss County
StateOhio
Coordinates39.29366, -83.06653
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum 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 alignment6: Equal to present minimum criteria
Operating rating93.3 US tons
Inventory rating55.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length28 ft (8.5 m)
Longest span27 ft (8.2 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2023)
Projected traffic654 by 2035
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Bishop Hill RD over Tributary Ralston Run built?

It was built in 1933, making it 92 years old in 2025. It was reconstructed in 1986.

What condition is Bishop Hill RD over Tributary Ralston 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 October 2024.

How much traffic does Bishop Hill RD over Tributary Ralston Run carry?

About 250 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Bishop Hill RD over Tributary Ralston Run?

The structure is 28 ft (8.5 m) long with a longest span of 27 ft (8.2 m) and a deck 24 ft wide.

Who owns Bishop Hill RD over Tributary Ralston Run?

It is owned by the County Highway Agency.