US Bridges

INTERSTATE-95 Sbl over Warwick Swamp

Fair

Prince George County, Virginia · 2.30 FR 301 & 1.91 to 35 · Structure no. 000000000014041

Built
1959
66 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
46 ft
1 main span
Daily traffic
22,534
2022 count
Owner
State
State Highway Agency

About this bridge

INTERSTATE-95 Sbl over Warwick Swamp is a prestressed concrete stringer/multi-beam or girder carrying INTERSTATE-95 Sbl over Warwick Swamp in Prince George County, Virginia. It was built in 1959, so it is 66 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 22,534 vehicles a day, roughly 1% of them trucks, projected to reach 28,407 by 2042. The structure is 46 ft (14 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesINTERSTATE-95 Sbl
CrossesWarwick Swamp
Location2.30 FR 301 & 1.91 to 35
RouteInterstate 95
Coordinates37.10897, -77.35947
Functional classRural Principal Arterial - Interstate

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.9 US tons
Inventory rating60.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length46 ft (14 m)
Longest span42 ft (12.8 m)
Deck width45 ft (13.6 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,534 (2022)
Projected traffic28,407 by 2042
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 INTERSTATE-95 Sbl over Warwick Swamp built?

It was built in 1959, making it 66 years old in 2025.

What condition is INTERSTATE-95 Sbl over Warwick 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 INTERSTATE-95 Sbl over Warwick Swamp carry?

About 22,534 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is INTERSTATE-95 Sbl over Warwick Swamp?

The structure is 46 ft (14 m) long with a longest span of 42 ft (12.8 m) and a deck 45 ft wide.

Who owns INTERSTATE-95 Sbl over Warwick Swamp?

It is owned by the State Highway Agency.