US Bridges

C10 Watkins RD over Ward Ditch

Fair

Mercer County, Ohio · 0.75 MI E of SR 118 · Structure no. 5442710

Built
1900
125 years old, rebuilt 2010
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
42 ft
1 main span
Daily traffic
316
2015 count
Owner
County
County Highway Agency

About this bridge

C10 Watkins RD over Ward Ditch is a prestressed concrete box beam or girders - multiple carrying C10 Watkins RD over Ward Ditch in Mercer County, Ohio. It was built in 1900 and reconstructed in 2010, 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 316 vehicles a day, roughly 8% of them trucks, projected to reach 439 by 2035. The structure is 42 ft (12.8 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesC10 Watkins RD
CrossesWard Ditch
Location0.75 MI E of SR 118
RouteCounty Highway 10
StateOhio
Coordinates40.36623, -84.6152
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
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 geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating64.3 US tons
Inventory rating50 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length42 ft (12.8 m)
Longest span40 ft (12.2 m)
Deck width36 ft (11 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic316 (2015)
Projected traffic439 by 2035
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 C10 Watkins RD over Ward Ditch built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 2010.

What condition is C10 Watkins RD over Ward Ditch 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 C10 Watkins RD over Ward Ditch carry?

About 316 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is C10 Watkins RD over Ward Ditch?

The structure is 42 ft (12.8 m) long with a longest span of 40 ft (12.2 m) and a deck 36 ft wide.

Who owns C10 Watkins RD over Ward Ditch?

It is owned by the County Highway Agency.