US Bridges

Rt. 29 SBL/460 Wbl over Rt 677 & NS Railway

Fair

Campbell County, Virginia · 1.78-RT 128/0.32-RT 501 · Structure no. 000000000020566

Built
1976
49 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
283 ft
4 main spans
Daily traffic
12,399
2022 count
Owner
State
State Highway Agency

About this bridge

Rt. 29 SBL/460 Wbl over Rt 677 & NS Railway is a steel stringer/multi-beam or girder carrying Rt. 29 SBL/460 Wbl over Rt 677 & NS Railway in Campbell County, Virginia. It was built in 1976, so it is 49 years old, younger 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 12,399 vehicles a day, roughly 1% of them trucks, projected to reach 18,103 by 2042. The structure is 283 ft (86.3 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesRt. 29 SBL/460 Wbl
CrossesRt 677 & NS Railway
Location1.78-RT 128/0.32-RT 501
RouteU.S. Route 29
CountyCampbell County
StateVirginia
Coordinates37.37709, -79.13651
Functional classUrban Other Principal Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81 US tons
Inventory rating61.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length283 ft (86.3 m)
Longest span90 ft (27.4 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,399 (2022)
Projected traffic18,103 by 2042
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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 Rt. 29 SBL/460 Wbl over Rt 677 & NS Railway built?

It was built in 1976, making it 49 years old in 2025.

What condition is Rt. 29 SBL/460 Wbl over Rt 677 & 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 May 2024.

How much traffic does Rt. 29 SBL/460 Wbl over Rt 677 & NS Railway carry?

About 12,399 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Rt. 29 SBL/460 Wbl over Rt 677 & NS Railway?

The structure is 283 ft (86.3 m) long with a longest span of 90 ft (27.4 m) and a deck 42 ft wide.

Who owns Rt. 29 SBL/460 Wbl over Rt 677 & NS Railway?

It is owned by the State Highway Agency.