US Bridges

John Mosby Hwy-Sbl over NS Railway

Fair

Clarke County, Virginia · 0.45 to 340 - 2.38 to 255 · Structure no. 000000000005388

Built
1975
50 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
140 ft
3 main spans
Daily traffic
6,463
2022 count
Owner
State
State Highway Agency

About this bridge

John Mosby Hwy-Sbl over NS Railway is a steel stringer/multi-beam or girder carrying John Mosby Hwy-Sbl over NS Railway in Clarke County, Virginia. It was built in 1975, so it is 50 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 6,463 vehicles a day, roughly 1% of them trucks, projected to reach 9,437 by 2042. The structure is 140 ft (42.7 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesJohn Mosby Hwy-Sbl
CrossesNS Railway
Location0.45 to 340 - 2.38 to 255
RouteU.S. Route 17
CountyClarke County
StateVirginia
Coordinates39.07887, -78.07776
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
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 inspectionJuly 2024
Inspection intervalevery 23 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 alignment7: Better than present minimum criteria
Operating rating82 US tons
Inventory rating63.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length140 ft (42.7 m)
Longest span46 ft (14 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,463 (2022)
Projected traffic9,437 by 2042
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was John Mosby Hwy-Sbl over NS Railway built?

It was built in 1975, making it 50 years old in 2025.

What condition is John Mosby Hwy-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 July 2024.

How much traffic does John Mosby Hwy-Sbl over NS Railway carry?

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

How long is John Mosby Hwy-Sbl over NS Railway?

The structure is 140 ft (42.7 m) long with a longest span of 46 ft (14 m) and a deck 42 ft wide.

Who owns John Mosby Hwy-Sbl over NS Railway?

It is owned by the State Highway Agency.