US Bridges

John Mosby Hwy-Nbl over NS Railway @ Boyce

Fair

Clarke County, Virginia · 0.20 to 682 - 0.11 to 630 · Structure no. 000000000005385

Built
1942
83 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
159 ft
3 main spans
Daily traffic
6,463
2022 count
Owner
State
State Highway Agency

About this bridge

John Mosby Hwy-Nbl over NS Railway @ Boyce is a steel stringer/multi-beam or girder carrying John Mosby Hwy-Nbl over NS Railway @ Boyce in Clarke County, Virginia. It was built in 1942, so it is 83 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 6,463 vehicles a day, roughly 1% of them trucks, projected to reach 9,437 by 2045. The structure is 159 ft (48.5 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesJohn Mosby Hwy-Nbl
CrossesNS Railway @ Boyce
Location0.20 to 682 - 0.11 to 630
RouteU.S. Route 17
Coordinates39.07897, -78.07751
Functional classRural 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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 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 geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment7: Better than present minimum criteria
Operating rating57 US tons
Inventory rating44 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length159 ft (48.5 m)
Longest span53 ft (16.2 m)
Deck width31 ft (9.4 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,463 (2022)
Projected traffic9,437 by 2045
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$217 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was John Mosby Hwy-Nbl over NS Railway @ Boyce built?

It was built in 1942, making it 83 years old in 2025.

What condition is John Mosby Hwy-Nbl over NS Railway @ Boyce 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 June 2024.

How much traffic does John Mosby Hwy-Nbl over NS Railway @ Boyce carry?

About 6,463 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is John Mosby Hwy-Nbl over NS Railway @ Boyce?

The structure is 159 ft (48.5 m) long with a longest span of 53 ft (16.2 m) and a deck 31 ft wide.

Who owns John Mosby Hwy-Nbl over NS Railway @ Boyce?

It is owned by the State Highway Agency.