US Bridges

Prince George Dr. over Blackwater Swamp

FairPosted for load

Prince George County, Virginia · 0.87 FR 629 & 0.41 to 616 · Structure no. 000000000014062

Built
1950
75 years old
Condition
Fair
inspected January 2025
Type
Tee Beam
Concrete
Length
100 ft
3 main spans
Daily traffic
5,719
2022 count
Owner
State
State Highway Agency

About this bridge

Prince George Dr. over Blackwater Swamp is a concrete tee beam carrying Prince George Dr. over Blackwater Swamp in Prince George County, Virginia. It was built in 1950, so it is 75 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. Its operating status is: posted for load restriction.

It carries about 5,719 vehicles a day, projected to reach 6,377 by 2045. The structure is 100 ft (30.5 m) long and 30 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesPrince George Dr.
CrossesBlackwater Swamp
Location0.87 FR 629 & 0.41 to 616
RouteState Highway 156
CountyPrince George County
StateVirginia
Coordinates37.19534, -77.26053
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating29.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length100 ft (30.5 m)
Longest span32 ft (9.9 m)
Deck width30 ft (9 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,719 (2022)
Projected traffic6,377 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 with deck rehabilitation or replacement
Estimated improvement cost$126.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Prince George Dr. over Blackwater Swamp built?

It was built in 1950, making it 75 years old in 2025.

What condition is Prince George Dr. over Blackwater 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 January 2025.

How much traffic does Prince George Dr. over Blackwater Swamp carry?

About 5,719 vehicles per day (2022 count).

How long is Prince George Dr. over Blackwater Swamp?

The structure is 100 ft (30.5 m) long with a longest span of 32 ft (9.9 m) and a deck 30 ft wide.

Who owns Prince George Dr. over Blackwater Swamp?

It is owned by the State Highway Agency.