US Bridges

SR 646 over Claylick CR

PoorPosted for load

Jefferson County, Ohio · .62 MI W of SR 152 · Structure no. 4103394

Built
1956
69 years old
Condition
Poor
inspected May 2024
Type
Slab
Concrete Continuous
Length
60 ft
3 main spans
Daily traffic
456
2015 count
Owner
State
State Highway Agency

About this bridge

SR 646 over Claylick CR is a concrete continuous slab carrying SR 646 over Claylick CR in Jefferson County, Ohio. It was built in 1956, so it is 69 years old, older than the Ohio average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 456 vehicles a day, roughly 5% of them trucks, projected to reach 633 by 2035. The structure is 60 ft (18.3 m) long and 32 ft wide. If it were closed, the detour would be 31.7 mi (51 km).

CarriesSR 646
CrossesClaylick CR
Location.62 MI W of SR 152
RouteState Highway 646
StateOhio
Coordinates40.41, -80.79847
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.6 US tons
Inventory rating20 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 10
Structure length60 ft (18.3 m)
Longest span22 ft (6.7 m)
Deck width32 ft (9.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic456 (2015)
Projected traffic633 by 2035
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.7 mi (51 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR 646 over Claylick CR built?

It was built in 1956, making it 69 years old in 2025.

What condition is SR 646 over Claylick CR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.

How much traffic does SR 646 over Claylick CR carry?

About 456 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is SR 646 over Claylick CR?

The structure is 60 ft (18.3 m) long with a longest span of 22 ft (6.7 m) and a deck 32 ft wide.

Who owns SR 646 over Claylick CR?

It is owned by the State Highway Agency.