US Bridges

County RD 25 over Conotton Creek

Fair

Harrison County, Ohio · 0.2 MI S of JCT SR 151 · Structure no. 3433021

Built
1900
125 years old, rebuilt 1987
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
84 ft
1 main span
Daily traffic
136
2015 count
Owner
County
County Highway Agency

About this bridge

County RD 25 over Conotton Creek is a prestressed concrete box beam or girders - multiple carrying County RD 25 over Conotton Creek in Harrison County, Ohio. It was built in 1900 and reconstructed in 1987, 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 136 vehicles a day, roughly 7% of them trucks, projected to reach 189 by 2035. The structure is 84 ft (25.6 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesCounty RD 25
CrossesConotton Creek
Location0.2 MI S of JCT SR 151
RouteCounty Highway C0025
CountyHarrison County
StateOhio
Coordinates40.41767, -81.14638
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating46.4 US tons
Inventory rating32.2 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length84 ft (25.6 m)
Longest span80 ft (24.4 m)
Deck width24 ft (7.3 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic136 (2015)
Projected traffic189 by 2035
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$230,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 25 over Conotton Creek built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1987.

What condition is County RD 25 over Conotton 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 October 2024.

How much traffic does County RD 25 over Conotton Creek carry?

About 136 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is County RD 25 over Conotton Creek?

The structure is 84 ft (25.6 m) long with a longest span of 80 ft (24.4 m) and a deck 24 ft wide.

Who owns County RD 25 over Conotton Creek?

It is owned by the County Highway Agency.