US Bridges

Griffin Road over Second Swamp

Fair

Prince George County, Virginia · 1.36 FR 608 & 0.80 to 629 · Structure no. 000000000014110

Built
1968
57 years old, rebuilt 2004
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
27 ft
1 main span
Daily traffic
234
2020 count
Owner
State
State Highway Agency

About this bridge

Griffin Road over Second Swamp is a steel stringer/multi-beam or girder carrying Griffin Road over Second Swamp in Prince George County, Virginia. It was built in 1968 and reconstructed in 2004, 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 234 vehicles a day, projected to reach 351 by 2045. The structure is 27 ft (8.1 m) long and 23 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesGriffin Road
CrossesSecond Swamp
Location1.36 FR 608 & 0.80 to 629
RouteCounty Highway 628
Coordinates37.15642, -77.37553
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating78.4 US tons
Inventory rating60.5 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20 + Mod
Structure length27 ft (8.1 m)
Longest span25 ft (7.7 m)
Deck width23 ft (6.9 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic234 (2020)
Projected traffic351 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Griffin Road over Second Swamp built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2004.

What condition is Griffin Road over Second 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 April 2023.

How much traffic does Griffin Road over Second Swamp carry?

About 234 vehicles per day (2020 count).

How long is Griffin Road over Second Swamp?

The structure is 27 ft (8.1 m) long with a longest span of 25 ft (7.7 m) and a deck 23 ft wide.

Who owns Griffin Road over Second Swamp?

It is owned by the State Highway Agency.