US Bridges

Garth Road over Swift Run

Fair

Greene County, Virginia · .84 from 810 & .56 to 624 · Structure no. 000000000009011

Built
1963
62 years old, rebuilt 2007
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
39 ft
1 main span
Daily traffic
19
2020 count
Owner
State
State Highway Agency

About this bridge

Garth Road over Swift Run is a steel stringer/multi-beam or girder carrying Garth Road over Swift Run in Greene County, Virginia. It was built in 1963 and reconstructed in 2007, so it is 62 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 19 vehicles a day, projected to reach 27 by 2042. The structure is 39 ft (11.9 m) long and 15 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesGarth Road
CrossesSwift Run
Location.84 from 810 & .56 to 624
RouteCounty Highway 646
CountyGreene County
StateVirginia
Coordinates38.29434, -78.48797
Functional classRural 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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating74 US tons
Inventory rating44 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span39 ft (11.9 m)
Deck width15 ft (4.5 m)
Roadway width11 ft (3.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19 (2020)
Projected traffic27 by 2042
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$285 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Garth Road over Swift Run built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2007.

What condition is Garth Road over Swift Run 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 August 2024.

How much traffic does Garth Road over Swift Run carry?

About 19 vehicles per day (2020 count).

How long is Garth Road over Swift Run?

The structure is 39 ft (11.9 m) long with a longest span of 39 ft (11.9 m) and a deck 15 ft wide.

Who owns Garth Road over Swift Run?

It is owned by the State Highway Agency.