US Bridges

Cabin Point Road over Dobie Swamp

Fair

Sussex County, Virginia · 2.80 to 35 / 3.30 to 625 · Structure no. 000000000018295

Built
1974
51 years old
Condition
Fair
inspected November 2023
Type
Culvert
Steel
Length
27 ft
4 main spans
Daily traffic
554
2022 count
Owner
State
State Highway Agency

About this bridge

Cabin Point Road over Dobie Swamp is a steel culvert carrying Cabin Point Road over Dobie Swamp in Sussex County, Virginia. It was built in 1974, so it is 51 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 554 vehicles a day, projected to reach 730 by 2042. The structure is 27 ft (8.3 m) long. If it were closed, the detour would be 16.8 mi (27 km).

CarriesCabin Point Road
CrossesDobie Swamp
Location2.80 to 35 / 3.30 to 625
RouteCounty Highway 602
Coordinates37.04432, -77.25067
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating41 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans4
Design loadHL 93
Structure length27 ft (8.3 m)
Longest span6 ft (1.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic554 (2022)
Projected traffic730 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 Cabin Point Road over Dobie Swamp built?

It was built in 1974, making it 51 years old in 2025.

What condition is Cabin Point Road over Dobie 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 November 2023.

How much traffic does Cabin Point Road over Dobie Swamp carry?

About 554 vehicles per day (2022 count).

How long is Cabin Point Road over Dobie Swamp?

The structure is 27 ft (8.3 m) long with a longest span of 6 ft (1.9 m).

Who owns Cabin Point Road over Dobie Swamp?

It is owned by the State Highway Agency.