US Bridges

Clayton Road over Seacock Swamp

Fair

Southampton County, Virginia · 1.40 Mi. to Int. Rte. 626 · Structure no. 000000000017802

Built
1968
57 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
175 ft
3 main spans
Daily traffic
36
2018 count
Owner
State
State Highway Agency

About this bridge

Clayton Road over Seacock Swamp is a steel stringer/multi-beam or girder carrying Clayton Road over Seacock Swamp in Southampton County, Virginia. It was built in 1968, so it is 57 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 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 36 vehicles a day, projected to reach 55 by 2042. The structure is 175 ft (53.3 m) long and 30 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesClayton Road
CrossesSeacock Swamp
Location1.40 Mi. to Int. Rte. 626
RouteCounty Highway 623
CountySouthampton County
StateVirginia
Coordinates36.83273, -76.90461
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.8 US tons
Inventory rating53.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length175 ft (53.3 m)
Longest span59 ft (18 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36 (2018)
Projected traffic55 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 Clayton Road over Seacock Swamp built?

It was built in 1968, making it 57 years old in 2025.

What condition is Clayton Road over Seacock Swamp 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 March 2024.

How much traffic does Clayton Road over Seacock Swamp carry?

About 36 vehicles per day (2018 count).

How long is Clayton Road over Seacock Swamp?

The structure is 175 ft (53.3 m) long with a longest span of 59 ft (18 m) and a deck 30 ft wide.

Who owns Clayton Road over Seacock Swamp?

It is owned by the State Highway Agency.