US Bridges

US Highway 23 Nbl over Dry Branch

Fair

Scott County, Virginia · 0.27 FR 654; 2.61 to Lcl · Structure no. 000000000016555

Built
1968
57 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
4,589
2022 count
Owner
State
State Highway Agency

About this bridge

US Highway 23 Nbl over Dry Branch is a concrete culvert carrying US Highway 23 Nbl over Dry Branch in Scott County, Virginia. It was built in 1968, so it is 57 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 4,589 vehicles a day, roughly 1% of them trucks, projected to reach 4,724 by 2042. The structure is 25 ft (7.6 m) long.

CarriesUS Highway 23 Nbl
CrossesDry Branch
Location0.27 FR 654; 2.61 to Lcl
RouteU.S. Route 23
Coordinates36.73128, -82.79621
Functional classRural Principal Arterial - Other

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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
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 length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,589 (2022)
Projected traffic4,724 by 2042
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 US Highway 23 Nbl over Dry Branch built?

It was built in 1968, making it 57 years old in 2025.

What condition is US Highway 23 Nbl over Dry 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 US Highway 23 Nbl over Dry Branch carry?

About 4,589 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is US Highway 23 Nbl over Dry Branch?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).

Who owns US Highway 23 Nbl over Dry Branch?

It is owned by the State Highway Agency.