US Bridges

Boxwood Farm Road over Route 29 Nbl & Sbl

Fair

Amherst County, Virginia · 0.00-RT29BUS/0.15-RT731 · Structure no. 000000000001537

Built
1971
54 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
183 ft
2 main spans
Daily traffic
2,486
2022 count
Owner
State
State Highway Agency

About this bridge

Boxwood Farm Road over Route 29 Nbl & Sbl is a steel continuous stringer/multi-beam or girder carrying Boxwood Farm Road over Route 29 Nbl & Sbl 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 2,486 vehicles a day, roughly 1% of them trucks, projected to reach 2,772 by 2042. The structure is 183 ft (55.8 m) long and 36 ft wide.

Location

Open in Google Maps
CarriesBoxwood Farm Road
CrossesRoute 29 Nbl & Sbl
Location0.00-RT29BUS/0.15-RT731
RouteU.S. Route 739
CountyAmherst County
StateVirginia
Coordinates37.59746, -79.03209
Functional classUrban Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 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 rating66 US tons
Inventory rating51 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length183 ft (55.8 m)
Longest span92 ft (28 m)
Deck width36 ft (11 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,486 (2022)
Projected traffic2,772 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Boxwood Farm Road over Route 29 Nbl & Sbl built?

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

What condition is Boxwood Farm Road over Route 29 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 November 2023.

How much traffic does Boxwood Farm Road over Route 29 Nbl & Sbl carry?

About 2,486 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Boxwood Farm Road over Route 29 Nbl & Sbl?

The structure is 183 ft (55.8 m) long with a longest span of 92 ft (28 m) and a deck 36 ft wide.

Who owns Boxwood Farm Road over Route 29 Nbl & Sbl?

It is owned by the State Highway Agency.