US Bridges

Ault RD over Walnut Creek

Fair

Ross County, Ohio · .01 Mi. S of Possum Hollw · Structure no. 7149026

Built
1900
125 years old, rebuilt 1993
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
66 ft
1 main span
Daily traffic
244
2015 count
Owner
County
County Highway Agency

About this bridge

Ault RD over Walnut Creek is a prestressed concrete box beam or girders - multiple carrying Ault RD over Walnut Creek in Ross County, Ohio. It was built in 1900 and reconstructed in 1993, so it is 125 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 244 vehicles a day, roughly 8% of them trucks, projected to reach 339 by 2035. The structure is 66 ft (20.1 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesAult RD
CrossesWalnut Creek
Location.01 Mi. S of Possum Hollw
RouteCounty Highway T0246
StateOhio
Coordinates39.29346, -82.84375
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating82.1 US tons
Inventory rating50 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20 + Mod
Structure length66 ft (20.1 m)
Longest span62 ft (18.9 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic244 (2015)
Projected traffic339 by 2035
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Ault RD over Walnut Creek built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1993.

What condition is Ault RD over Walnut Creek 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 November 2024.

How much traffic does Ault RD over Walnut Creek carry?

About 244 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is Ault RD over Walnut Creek?

The structure is 66 ft (20.1 m) long with a longest span of 62 ft (18.9 m) and a deck 24 ft wide.

Who owns Ault RD over Walnut Creek?

It is owned by the County Highway Agency.