US Bridges

Nb-Capital Beltway over Scotts Run

Fair

Fairfax County, Virginia · 01.09FR123/01.50TO193 · Structure no. 000000000006609

Built
1963
62 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
44 ft
3 main spans
Daily traffic
79,724
2022 count
Owner
State
State Highway Agency

About this bridge

Nb-Capital Beltway over Scotts Run is a concrete culvert carrying Nb-Capital Beltway over Scotts Run in Fairfax County, Virginia. It was built in 1963, so it is 62 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 79,724 vehicles a day, roughly 1% of them trucks, projected to reach 88,892 by 2042. The structure is 44 ft (13.4 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesNb-Capital Beltway
CrossesScotts Run
Location01.09FR123/01.50TO193
RouteInterstate 495
CountyFairfax County
StateVirginia
Coordinates38.9361, -77.20768
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating85 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic79,724 (2022)
Projected traffic88,892 by 2042
Trucks1%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$2.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Nb-Capital Beltway over Scotts Run built?

It was built in 1963, making it 62 years old in 2025.

What condition is Nb-Capital Beltway over Scotts 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 October 2024.

How much traffic does Nb-Capital Beltway over Scotts Run carry?

About 79,724 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Nb-Capital Beltway over Scotts Run?

The structure is 44 ft (13.4 m) long with a longest span of 15 ft (4.6 m).

Who owns Nb-Capital Beltway over Scotts Run?

It is owned by the State Highway Agency.