US Bridges

Comers Rock Road over Branch

Fair

Grayson County, Virginia · .89 to R672;.71 to R671 · Structure no. 000000000008843

Built
1958
67 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
227
2022 count
Owner
State
State Highway Agency

About this bridge

Comers Rock Road over Branch is a concrete culvert carrying Comers Rock Road over Branch in Grayson County, Virginia. It was built in 1958, so it is 67 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 227 vehicles a day, roughly 1% of them trucks, projected to reach 253 by 2045. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 2.5 mi (4 km).

Location

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CarriesComers Rock Road
CrossesBranch
Location.89 to R672;.71 to R671
RouteCounty Highway 658
CountyGrayson County
StateVirginia
Coordinates36.74247, -81.25433
Functional classRural Minor Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating49.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic227 (2022)
Projected traffic253 by 2045
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 Comers Rock Road over Branch built?

It was built in 1958, making it 67 years old in 2025.

What condition is Comers Rock Road over 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 November 2023.

How much traffic does Comers Rock Road over Branch carry?

About 227 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Comers Rock Road over Branch?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns Comers Rock Road over Branch?

It is owned by the State Highway Agency.