US Bridges

W Blackwater Road over Horse Swamp

Fair

Isle of Wight County, Virginia · 0.05 Mi.Fr.Int.Rte. 614 · Structure no. 000000000010385

Built
1968
57 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete
Length
21 ft
3 main spans
Daily traffic
1,184
2022 count
Owner
State
State Highway Agency

About this bridge

W Blackwater Road over Horse Swamp is a concrete culvert carrying W Blackwater Road over Horse Swamp in Isle of Wight 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 1,184 vehicles a day, roughly 1% of them trucks, projected to reach 1,729 by 2042. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesW Blackwater Road
CrossesHorse Swamp
Location0.05 Mi.Fr.Int.Rte. 614
RouteCounty Highway 603
CountyIsle of Wight County
StateVirginia
Coordinates36.80418, -76.85688
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span5 ft (1.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,184 (2022)
Projected traffic1,729 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 W Blackwater Road over Horse Swamp built?

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

What condition is W Blackwater Road over Horse 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 W Blackwater Road over Horse Swamp carry?

About 1,184 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is W Blackwater Road over Horse Swamp?

The structure is 21 ft (6.4 m) long with a longest span of 5 ft (1.5 m).

Who owns W Blackwater Road over Horse Swamp?

It is owned by the State Highway Agency.