US Bridges

Sinks RD over Cox Branch

Fair

Scott County, Virginia · .20 FR 826 - 1.35 to 600 · Structure no. 000000000016693

Built
1932
93 years old, rebuilt 1993
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
32 ft
1 main span
Daily traffic
155
2022 count
Owner
State
State Highway Agency

About this bridge

Sinks RD over Cox Branch is a steel stringer/multi-beam or girder carrying Sinks RD over Cox Branch in Scott County, Virginia. It was built in 1932 and reconstructed in 1993, so it is 93 years old, older than the Virginia average of 50.7 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 155 vehicles a day, projected to reach 173 by 2045. The structure is 32 ft (9.8 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesSinks RD
CrossesCox Branch
Location.20 FR 826 - 1.35 to 600
RouteCounty Highway 622
CountyScott County
StateVirginia
Coordinates36.64563, -82.91568
Functional classRural Minor 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating64 US tons
Inventory rating38 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20 + Mod
Structure length32 ft (9.8 m)
Longest span27 ft (8.2 m)
Deck width20 ft (6.1 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic155 (2022)
Projected traffic173 by 2045
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$103.9 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Sinks RD over Cox Branch built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1993.

What condition is Sinks RD over Cox 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 July 2023.

How much traffic does Sinks RD over Cox Branch carry?

About 155 vehicles per day (2022 count).

How long is Sinks RD over Cox Branch?

The structure is 32 ft (9.8 m) long with a longest span of 27 ft (8.2 m) and a deck 20 ft wide.

Who owns Sinks RD over Cox Branch?

It is owned by the State Highway Agency.