US Bridges

Hartwood RD over Tributary Ralston Run

Fair

Ross County, Ohio · .5 Mi. E of SR-772 · Structure no. 7140665

Built
2000
25 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
26 ft
1 main span
Daily traffic
247
2015 count
Owner
County
County Highway Agency

About this bridge

Hartwood RD over Tributary Ralston Run is a concrete box beam or girders - multiple carrying Hartwood RD over Tributary Ralston Run in Ross County, Ohio. It was built in 2000, so it is 25 years old, younger 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 247 vehicles a day, roughly 8% of them trucks, projected to reach 343 by 2035. The structure is 26 ft (7.9 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesHartwood RD
CrossesTributary Ralston Run
Location.5 Mi. E of SR-772
RouteCounty Highway T0162
StateOhio
Coordinates39.22951, -83.06895
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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating85.8 US tons
Inventory rating50 US tons

Structure

MaterialConcrete
DeckOther
Main spans1
Design loadHS 20 + Mod
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic247 (2015)
Projected traffic343 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 Hartwood RD over Tributary Ralston Run built?

It was built in 2000, making it 25 years old in 2025.

What condition is Hartwood 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 Hartwood RD over Tributary Ralston Run carry?

About 247 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is Hartwood RD over Tributary Ralston Run?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 24 ft wide.

Who owns Hartwood RD over Tributary Ralston Run?

It is owned by the County Highway Agency.