US Bridges

Austin RD over Herrods Creek

Fair

Ross County, Ohio · .50 Mi. W of Plano RD · Structure no. 7131364

Built
1900
125 years old, rebuilt 1980
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
58 ft
1 main span
Daily traffic
177
2018 count
Owner
County
County Highway Agency

About this bridge

Austin RD over Herrods Creek is a steel stringer/multi-beam or girder carrying Austin RD over Herrods Creek in Ross County, Ohio. It was built in 1900 and reconstructed in 1980, 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 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 177 vehicles a day, roughly 7% of them trucks, projected to reach 246 by 2038. The structure is 58 ft (17.7 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesAustin RD
CrossesHerrods Creek
Location.50 Mi. W of Plano RD
RouteCounty Highway C0029
CountyRoss County
StateOhio
Coordinates39.45479, -83.24622
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating60.7 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadH 20
Structure length58 ft (17.7 m)
Longest span56 ft (17.1 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic177 (2018)
Projected traffic246 by 2038
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Austin RD over Herrods Creek built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1980.

What condition is Austin RD over Herrods 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 March 2024.

How much traffic does Austin RD over Herrods Creek carry?

About 177 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is Austin RD over Herrods Creek?

The structure is 58 ft (17.7 m) long with a longest span of 56 ft (17.1 m) and a deck 25 ft wide.

Who owns Austin RD over Herrods Creek?

It is owned by the County Highway Agency.