US Bridges

Birch Grove Road over N Fork Holston River #6

Fair

Bland County, Virginia · .40 FR 625W -.10 to 625E · Structure no. 000000000003104

Built
1989
36 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete
Length
37 ft
1 main span
Daily traffic
51
2021 count
Owner
State
State Highway Agency

About this bridge

Birch Grove Road over N Fork Holston River #6 is a concrete slab carrying Birch Grove Road over N Fork Holston River #6 in Bland County, Virginia. It was built in 1989, so it is 36 years old, younger 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 51 vehicles a day, projected to reach 57 by 2045. The structure is 37 ft (11.3 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesBirch Grove Road
CrossesN Fork Holston River #6
Location.40 FR 625W -.10 to 625E
RouteCounty Highway 622
CountyBland County
StateVirginia
Coordinates37.00968, -81.33993
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating106 US tons
Inventory rating81 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length37 ft (11.3 m)
Longest span37 ft (11.3 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic51 (2021)
Projected traffic57 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 Birch Grove Road over N Fork Holston River #6 built?

It was built in 1989, making it 36 years old in 2025.

What condition is Birch Grove Road over N Fork Holston River #6 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 Birch Grove Road over N Fork Holston River #6 carry?

About 51 vehicles per day (2021 count).

How long is Birch Grove Road over N Fork Holston River #6?

The structure is 37 ft (11.3 m) long with a longest span of 37 ft (11.3 m) and a deck 30 ft wide.

Who owns Birch Grove Road over N Fork Holston River #6?

It is owned by the State Highway Agency.