US Bridges

US23/58/421 over Clinch River

Fair

Scott County, Virginia · 0.03 to 625; 0.11 to 627 · Structure no. 000000000016549

Built
1971
54 years old, rebuilt 1991
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
503 ft
4 main spans
Daily traffic
12,606
2022 count
Owner
State
State Highway Agency

About this bridge

US23/58/421 over Clinch River is a steel stringer/multi-beam or girder carrying US23/58/421 over Clinch River in Scott County, Virginia. It was built in 1971 and reconstructed in 1991, so it is 54 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 12,606 vehicles a day, roughly 1% of them trucks, projected to reach 13,622 by 2042. The structure is 503 ft (153.2 m) long and 68 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesUS23/58/421
CrossesClinch River
Location0.03 to 625; 0.11 to 627
RouteU.S. Route 23
Coordinates36.64794, -82.74931
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
Deck7 GoodSome minor problems.
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 protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating85 US tons
Inventory rating65 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length503 ft (153.2 m)
Longest span125 ft (38.1 m)
Deck width68 ft (20.7 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,606 (2022)
Projected traffic13,622 by 2042
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$520 million (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US23/58/421 over Clinch River built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 1991.

What condition is US23/58/421 over Clinch River 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 US23/58/421 over Clinch River carry?

About 12,606 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is US23/58/421 over Clinch River?

The structure is 503 ft (153.2 m) long with a longest span of 125 ft (38.1 m) and a deck 68 ft wide.

Who owns US23/58/421 over Clinch River?

It is owned by the State Highway Agency.