US Bridges

Clarion Road over Rt 29 Bypass Nbl & Sbl

Fair

Campbell County, Virginia · 0.40-RT 712/0.00-ALTA Cl · Structure no. 000000000004330

Built
1974
51 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
385 ft
4 main spans
Daily traffic
8,058
2022 count
Owner
State
State Highway Agency

About this bridge

Clarion Road over Rt 29 Bypass Nbl & Sbl is a steel stringer/multi-beam or girder carrying Clarion Road over Rt 29 Bypass Nbl & Sbl in Campbell County, Virginia. It was built in 1974, so it is 51 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 8,058 vehicles a day, projected to reach 11,765 by 2045. The structure is 385 ft (117.3 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesClarion Road
CrossesRt 29 Bypass Nbl & Sbl
Location0.40-RT 712/0.00-ALTA Cl
RouteCounty Highway 711
CountyCampbell County
StateVirginia
Coordinates37.13823, -79.26885
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79 US tons
Inventory rating61 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length385 ft (117.3 m)
Longest span131 ft (39.9 m)
Deck width33 ft (10 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,058 (2022)
Projected traffic11,765 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Clarion Road over Rt 29 Bypass Nbl & Sbl built?

It was built in 1974, making it 51 years old in 2025.

What condition is Clarion Road over Rt 29 Bypass Nbl & Sbl 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 2023.

How much traffic does Clarion Road over Rt 29 Bypass Nbl & Sbl carry?

About 8,058 vehicles per day (2022 count).

How long is Clarion Road over Rt 29 Bypass Nbl & Sbl?

The structure is 385 ft (117.3 m) long with a longest span of 131 ft (39.9 m) and a deck 33 ft wide.

Who owns Clarion Road over Rt 29 Bypass Nbl & Sbl?

It is owned by the State Highway Agency.