US Bridges

Capital Beltway Ol over Rmp En of Dul Air RD

Fair

Fairfax County, Virginia · 00.65 123 / 01.94 193 · Structure no. 000000000006612

Built
1964
61 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
140 ft
3 main spans
Daily traffic
76,230
2022 count
Owner
State
State Highway Agency

About this bridge

Capital Beltway Ol over Rmp En of Dul Air RD is a steel stringer/multi-beam or girder carrying Capital Beltway Ol over Rmp En of Dul Air RD in Fairfax County, Virginia. It was built in 1964, so it is 61 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 76,230 vehicles a day, roughly 1% of them trucks, projected to reach 84,996 by 2042. The structure is 140 ft (42.7 m) long and 74 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCapital Beltway Ol
CrossesRmp En of Dul Air RD
Location00.65 123 / 01.94 193
RouteInterstate 495
CountyFairfax County
StateVirginia
Coordinates38.93097, -77.21393
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.8 US tons
Inventory rating50.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length140 ft (42.7 m)
Longest span52 ft (15.8 m)
Deck width74 ft (22.6 m)
Roadway width70 ft (21.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic76,230 (2022)
Projected traffic84,996 by 2042
Trucks1%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$175 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Capital Beltway Ol over Rmp En of Dul Air RD built?

It was built in 1964, making it 61 years old in 2025.

What condition is Capital Beltway Ol over Rmp En of Dul Air RD 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 November 2023.

How much traffic does Capital Beltway Ol over Rmp En of Dul Air RD carry?

About 76,230 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Capital Beltway Ol over Rmp En of Dul Air RD?

The structure is 140 ft (42.7 m) long with a longest span of 52 ft (15.8 m) and a deck 74 ft wide.

Who owns Capital Beltway Ol over Rmp En of Dul Air RD?

It is owned by the State Highway Agency.