US Bridges

Carbo Rd. over SR-616 & NS Railway

Fair

Russell County, Virginia · .0M to 616 & .50M to 777 · Structure no. 000000000016487

Built
1965
60 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
260 ft
2 main spans
Daily traffic
710
2022 count
Owner
State
State Highway Agency

About this bridge

Carbo Rd. over SR-616 & NS Railway is a steel stringer/multi-beam or girder carrying Carbo Rd. over SR-616 & NS Railway in Russell County, Virginia. It was built in 1965, so it is 60 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 710 vehicles a day, roughly 1% of them trucks, projected to reach 792 by 2045. The structure is 260 ft (79.4 m) long and 29 ft wide.

CarriesCarbo Rd.
CrossesSR-616 & NS Railway
Location.0M to 616 & .50M to 777
RouteCounty Highway 664
Coordinates36.92883, -82.19501
Functional classRural Major 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
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.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating51 US tons
Inventory rating39 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2 (+1 approach)
Design loadHS 20 + Mod
Structure length260 ft (79.4 m)
Longest span108 ft (32.9 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic710 (2022)
Projected traffic792 by 2045
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed—
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$197 million (2019 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Carbo Rd. over SR-616 & NS Railway built?

It was built in 1965, making it 60 years old in 2025.

What condition is Carbo Rd. over SR-616 & NS Railway 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 Carbo Rd. over SR-616 & NS Railway carry?

About 710 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Carbo Rd. over SR-616 & NS Railway?

The structure is 260 ft (79.4 m) long with a longest span of 108 ft (32.9 m) and a deck 29 ft wide.

Who owns Carbo Rd. over SR-616 & NS Railway?

It is owned by the State Highway Agency.