US Bridges

23NBL/58WBL/421NBL over BUS23/58/421;NS;MOCCASIN

Fair

Scott County, Virginia · 2.64BUS23/58/421;4.27 643 · Structure no. 000000000016557

Built
1969
56 years old, rebuilt 1992
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
245 ft
4 main spans
Daily traffic
6,374
2022 count
Owner
State
State Highway Agency

About this bridge

23NBL/58WBL/421NBL over BUS23/58/421;NS;MOCCASIN is a steel stringer/multi-beam or girder carrying 23NBL/58WBL/421NBL over BUS23/58/421;NS;MOCCASIN in Scott County, Virginia. It was built in 1969 and reconstructed in 1992, so it is 56 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 6,374 vehicles a day, roughly 1% of them trucks, projected to reach 9,306 by 2042. The structure is 245 ft (74.8 m) long and 43 ft wide.

Carries23NBL/58WBL/421NBL
CrossesBUS23/58/421;NS;MOCCASIN
Location2.64BUS23/58/421;4.27 643
RouteU.S. Route 23
Coordinates36.63191, -82.61103
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating53 US tons
Inventory rating41 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length245 ft (74.8 m)
Longest span73 ft (22.3 m)
Deck width43 ft (13 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,374 (2022)
Projected traffic9,306 by 2042
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was 23NBL/58WBL/421NBL over BUS23/58/421;NS;MOCCASIN built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 1992.

What condition is 23NBL/58WBL/421NBL over BUS23/58/421;NS;MOCCASIN 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 March 2024.

How much traffic does 23NBL/58WBL/421NBL over BUS23/58/421;NS;MOCCASIN carry?

About 6,374 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is 23NBL/58WBL/421NBL over BUS23/58/421;NS;MOCCASIN?

The structure is 245 ft (74.8 m) long with a longest span of 73 ft (22.3 m) and a deck 43 ft wide.

Who owns 23NBL/58WBL/421NBL over BUS23/58/421;NS;MOCCASIN?

It is owned by the State Highway Agency.