US Bridges

Township RD 237 over Conotton Creek

Fair

Harrison County, Ohio · 0.2MI S of JCT SR 151 · Structure no. 3431622

Built
1900
125 years old, rebuilt 1993
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
53 ft
1 main span
Daily traffic
30
2015 count
Owner
County
County Highway Agency

About this bridge

Township RD 237 over Conotton Creek is a prestressed concrete box beam or girders - multiple carrying Township RD 237 over Conotton Creek in Harrison County, Ohio. It was built in 1900 and reconstructed in 1993, 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 30 vehicles a day, projected to reach 42 by 2035. The structure is 53 ft (16.2 m) long and 20 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesTownship RD 237
CrossesConotton Creek
Location0.2MI S of JCT SR 151
RouteCounty Highway T0237
CountyHarrison County
StateOhio
Coordinates40.38649, -81.06988
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 inspectionOctober 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length53 ft (16.2 m)
Longest span49 ft (14.9 m)
Deck width20 ft (6.1 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2015)
Projected traffic42 by 2035
Trucks—
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 Township RD 237 over Conotton Creek built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1993.

What condition is Township RD 237 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 Township RD 237 over Conotton Creek carry?

About 30 vehicles per day (2015 count).

How long is Township RD 237 over Conotton Creek?

The structure is 53 ft (16.2 m) long with a longest span of 49 ft (14.9 m) and a deck 20 ft wide.

Who owns Township RD 237 over Conotton Creek?

It is owned by the County Highway Agency.