US Bridges

Pierce Mountain RD over Thrashers Creek

Fair

Amherst County, Virginia · .15-RT 617/.65-DEAD End · Structure no. 000000000001547

Built
1973
52 years old
Condition
Fair
inspected February 2024
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
24 ft
2 main spans
Daily traffic
54
2019 count
Owner
State
State Highway Agency

About this bridge

Pierce Mountain RD over Thrashers Creek is a aluminum, wrought iron, or cast iron culvert carrying Pierce Mountain RD over Thrashers Creek in Amherst County, Virginia. It was built in 1973, so it is 52 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 54 vehicles a day, projected to reach 68 by 2045. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 198.8 mi (320 km).

Location

Open in Google Maps
CarriesPierce Mountain RD
CrossesThrashers Creek
Location.15-RT 617/.65-DEAD End
RouteCounty Highway 772
CountyAmherst County
StateVirginia
Coordinates37.69831, -79.14577
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
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 inspectionFebruary 2024
Inspection intervalevery 12 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 rating58 US tons
Inventory rating35.1 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans2
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span9 ft (2.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic54 (2019)
Projected traffic68 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed198.8 mi (320 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$71 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Pierce Mountain RD over Thrashers Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is Pierce Mountain RD over Thrashers Creek 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 February 2024.

How much traffic does Pierce Mountain RD over Thrashers Creek carry?

About 54 vehicles per day (2019 count).

How long is Pierce Mountain RD over Thrashers Creek?

The structure is 24 ft (7.3 m) long with a longest span of 9 ft (2.8 m).

Who owns Pierce Mountain RD over Thrashers Creek?

It is owned by the State Highway Agency.