US Bridges

Route 29 Sbl over NS Railway

Fair

Amherst County, Virginia · 0.10-RT 697/0.50-RT 671 · Structure no. 000000000001325

Built
1971
54 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
189 ft
3 main spans
Daily traffic
4,562
2022 count
Owner
State
State Highway Agency

About this bridge

Route 29 Sbl over NS Railway is a steel stringer/multi-beam or girder carrying Route 29 Sbl over NS Railway in Amherst County, Virginia. It was built in 1971, 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 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 4,562 vehicles a day, projected to reach 5,087 by 2042. The structure is 189 ft (57.6 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRoute 29 Sbl
CrossesNS Railway
Location0.10-RT 697/0.50-RT 671
RouteU.S. Route 29
CountyAmherst County
StateVirginia
Coordinates37.51485, -79.11667
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating78 US tons
Inventory rating60 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length189 ft (57.6 m)
Longest span69 ft (21 m)
Deck width43 ft (13.1 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,562 (2022)
Projected traffic5,087 by 2042
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Route 29 Sbl over NS Railway built?

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

What condition is Route 29 Sbl over 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 January 2024.

How much traffic does Route 29 Sbl over NS Railway carry?

About 4,562 vehicles per day (2022 count).

How long is Route 29 Sbl over NS Railway?

The structure is 189 ft (57.6 m) long with a longest span of 69 ft (21 m) and a deck 43 ft wide.

Who owns Route 29 Sbl over NS Railway?

It is owned by the State Highway Agency.