US Bridges

Rolling Road over Southern Railroad

Fair

Fairfax County, Virginia · 00.01 652/00.13 3647 · Structure no. 000000000006742

Built
1969
56 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
180 ft
3 main spans
Daily traffic
23,325
2022 count
Owner
State
State Highway Agency

About this bridge

Rolling Road over Southern Railroad is a steel stringer/multi-beam or girder carrying Rolling Road over Southern Railroad in Fairfax County, Virginia. It was built in 1969, so it is 56 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 23,325 vehicles a day, roughly 1% of them trucks, projected to reach 34,054 by 2042. The structure is 180 ft (54.9 m) long and 68 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesRolling Road
CrossesSouthern Railroad
Location00.01 652/00.13 3647
RouteCounty Highway 638
CountyFairfax County
StateVirginia
Coordinates38.79569, -77.24759
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating42.4 US tons
Inventory rating32.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length180 ft (54.9 m)
Longest span73 ft (22.3 m)
Deck width68 ft (20.7 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,325 (2022)
Projected traffic34,054 by 2042
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.1 mi (5 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$200 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Rolling Road over Southern Railroad built?

It was built in 1969, making it 56 years old in 2025.

What condition is Rolling Road over Southern Railroad 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 October 2024.

How much traffic does Rolling Road over Southern Railroad carry?

About 23,325 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Rolling Road over Southern Railroad?

The structure is 180 ft (54.9 m) long with a longest span of 73 ft (22.3 m) and a deck 68 ft wide.

Who owns Rolling Road over Southern Railroad?

It is owned by the State Highway Agency.