US Bridges

John Marshall HWY over Mulberry Run

Fair

Shenandoah County, Virginia · 0.01 to 623E-0.01 to 623W · Structure no. 000000000016987

Built
1949
76 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete
Length
45 ft
2 main spans
Daily traffic
7,953
2022 count
Owner
State
State Highway Agency

About this bridge

John Marshall HWY over Mulberry Run is a concrete slab carrying John Marshall HWY over Mulberry Run in Shenandoah County, Virginia. It was built in 1949, so it is 76 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 7,953 vehicles a day, roughly 1% of them trucks, projected to reach 11,178 by 2042. The structure is 45 ft (13.7 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesJohn Marshall HWY
CrossesMulberry Run
Location0.01 to 623E-0.01 to 623W
RouteState Highway 55
CountyShenandoah County
StateVirginia
Coordinates39.03711, -78.38326
Functional classRural Principal Arterial - Other

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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating45.2 US tons
Inventory rating34.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span23 ft (7 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,953 (2022)
Projected traffic11,178 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$54 million
NavigationNo navigation control on waterway

Frequently asked questions

When was John Marshall HWY over Mulberry Run built?

It was built in 1949, making it 76 years old in 2025.

What condition is John Marshall HWY over Mulberry Run 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 Marshall HWY over Mulberry Run carry?

About 7,953 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is John Marshall HWY over Mulberry Run?

The structure is 45 ft (13.7 m) long with a longest span of 23 ft (7 m) and a deck 28 ft wide.

Who owns John Marshall HWY over Mulberry Run?

It is owned by the State Highway Agency.