US Bridges

Danville RD over Dorn Ditch

Good

Madison County, Ohio · 0.35 Mi. S of CR9 · Structure no. 4930283

Built
2020
5 years old
Condition
Good
inspected December 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
31 ft
1 main span
Daily traffic
436
2018 count
Owner
County
County Highway Agency

About this bridge

Danville RD over Dorn Ditch is a concrete box beam or girders - multiple carrying Danville RD over Dorn Ditch in Madison County, Ohio. It was built in 2020, so it is 5 years old, younger than the Ohio average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 436 vehicles a day, roughly 1% of them trucks, projected to reach 648 by 2038. The structure is 31 ft (9.4 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesDanville RD
CrossesDorn Ditch
Location0.35 Mi. S of CR9
RouteCounty Highway 8
StateOhio
Coordinates39.82124, -83.45615
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable 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 alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating82.1 US tons

Structure

MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span28 ft (8.6 m)
Deck width27 ft (8.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic436 (2018)
Projected traffic648 by 2038
Trucks1%
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 Danville RD over Dorn Ditch built?

It was built in 2020, making it 5 years old in 2025.

What condition is Danville RD over Dorn Ditch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2024.

How much traffic does Danville RD over Dorn Ditch carry?

About 436 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Danville RD over Dorn Ditch?

The structure is 31 ft (9.4 m) long with a longest span of 28 ft (8.6 m) and a deck 27 ft wide.

Who owns Danville RD over Dorn Ditch?

It is owned by the County Highway Agency.