US Bridges

Roberts RD over Kenworthy Branch

Fair

Preble County, Ohio · 2nd Br E of Mendenhall RD · Structure no. 6832466

Built
1900
125 years old, rebuilt 2011
Condition
Fair
inspected December 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
31 ft
1 main span
Daily traffic
20
2024 count
Owner
County
County Highway Agency

About this bridge

Roberts RD over Kenworthy Branch is a concrete box beam or girders - multiple carrying Roberts RD over Kenworthy Branch in Preble County, Ohio. It was built in 1900 and reconstructed in 2011, 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 20 vehicles a day, roughly 5% of them trucks, projected to reach 69 by 2035. The structure is 31 ft (9.4 m) long and 22 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesRoberts RD
CrossesKenworthy Branch
Location2nd Br E of Mendenhall RD
RouteCounty Highway T0311
CountyPreble County
StateOhio
Coordinates39.57071, -84.56802
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 protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating86.1 US tons
Inventory rating66.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length31 ft (9.4 m)
Longest span25 ft (7.6 m)
Deck width22 ft (6.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2024)
Projected traffic69 by 2035
Trucks5%
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 Roberts RD over Kenworthy Branch built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 2011.

What condition is Roberts RD over Kenworthy Branch 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 December 2024.

How much traffic does Roberts RD over Kenworthy Branch carry?

About 20 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Roberts RD over Kenworthy Branch?

The structure is 31 ft (9.4 m) long with a longest span of 25 ft (7.6 m) and a deck 22 ft wide.

Who owns Roberts RD over Kenworthy Branch?

It is owned by the County Highway Agency.