US Bridges

Jonestown Road over Mill Branch

Fair

Alleghany County, Virginia · 0.05 to 610 & 1.55 to 616 · Structure no. 000000000001093

Built
1932
93 years old, rebuilt 1993
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
26 ft
1 main span
Daily traffic
47
2017 count
Owner
State
State Highway Agency

About this bridge

Jonestown Road over Mill Branch is a steel stringer/multi-beam or girder carrying Jonestown Road over Mill Branch in Alleghany County, Virginia. It was built in 1932 and reconstructed in 1993, so it is 93 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 47 vehicles a day, projected to reach 54 by 2042. The structure is 26 ft (7.9 m) long and 22 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesJonestown Road
CrossesMill Branch
Location0.05 to 610 & 1.55 to 616
RouteCounty Highway 607
CountyAlleghany County
StateVirginia
Coordinates37.65216, -80.11716
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.
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 inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20 + Mod
Structure length26 ft (7.9 m)
Longest span24 ft (7.2 m)
Deck width22 ft (6.7 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47 (2017)
Projected traffic54 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Jonestown Road over Mill Branch built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1993.

What condition is Jonestown Road over Mill Branch 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 2024.

How much traffic does Jonestown Road over Mill Branch carry?

About 47 vehicles per day (2017 count).

How long is Jonestown Road over Mill Branch?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.2 m) and a deck 22 ft wide.

Who owns Jonestown Road over Mill Branch?

It is owned by the State Highway Agency.