US Bridges

John Mosby Hwy-Nbl over Shenandoah River & RT622

Fair

Clarke County, Virginia · 0.30 to 638 - 0.20 to 622 · Structure no. 000000000005389

Built
1975
50 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,093 ft
4 main spans
Daily traffic
6,836
2022 count
Owner
State
State Highway Agency

About this bridge

John Mosby Hwy-Nbl over Shenandoah River & RT622 is a steel continuous stringer/multi-beam or girder carrying John Mosby Hwy-Nbl over Shenandoah River & RT622 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 6,836 vehicles a day, roughly 1% of them trucks, projected to reach 8,319 by 2045. The structure is 1,093 ft (333.1 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesJohn Mosby Hwy-Nbl
CrossesShenandoah River & RT622
Location0.30 to 638 - 0.20 to 622
RouteU.S. Route 17
CountyClarke County
StateVirginia
Coordinates39.04239, -78.0003
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating58 US tons
Inventory rating42 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4 (+9 approach)
Design loadHS 20 + Mod
Structure length1,093 ft (333.1 m)
Longest span172 ft (52.4 m)
Deck width40 ft (12.2 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,836 (2022)
Projected traffic8,319 by 2045
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was John Mosby Hwy-Nbl over Shenandoah River & RT622 built?

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

What condition is John Mosby Hwy-Nbl over Shenandoah River & RT622 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 August 2023.

How much traffic does John Mosby Hwy-Nbl over Shenandoah River & RT622 carry?

About 6,836 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is John Mosby Hwy-Nbl over Shenandoah River & RT622?

The structure is 1,093 ft (333.1 m) long with a longest span of 172 ft (52.4 m) and a deck 40 ft wide.

Who owns John Mosby Hwy-Nbl over Shenandoah River & RT622?

It is owned by the State Highway Agency.