US Bridges

Ramp to N.B. 495 over Dar and Toll Rd. Ext. EB

Fair

Fairfax County, Virginia · 0.10FR267EB 0.05TO495NBL · Structure no. 000000000006626

Built
1961
64 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
316 ft
4 main spans
Daily traffic
9,724
2022 count
Owner
State
State Highway Agency

About this bridge

Ramp to N.B. 495 over Dar and Toll Rd. Ext. EB is a steel stringer/multi-beam or girder carrying Ramp to N.B. 495 over Dar and Toll Rd. Ext. EB in Fairfax County, Virginia. It was built in 1961, so it is 64 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 9,724 vehicles a day, projected to reach 14,197 by 2045. The structure is 316 ft (96.3 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesRamp to N.B. 495
CrossesDar and Toll Rd. Ext. EB
Location0.10FR267EB 0.05TO495NBL
RouteInterstate 495
CountyFairfax County
StateVirginia
Coordinates38.93064, -77.20985
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 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 geometry6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating72.8 US tons
Inventory rating56.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length316 ft (96.3 m)
Longest span93 ft (28.3 m)
Deck width27 ft (8.2 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,724 (2022)
Projected traffic14,197 by 2045
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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$250 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ramp to N.B. 495 over Dar and Toll Rd. Ext. EB built?

It was built in 1961, making it 64 years old in 2025.

What condition is Ramp to N.B. 495 over Dar and Toll Rd. Ext. EB 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 May 2023.

How much traffic does Ramp to N.B. 495 over Dar and Toll Rd. Ext. EB carry?

About 9,724 vehicles per day (2022 count).

How long is Ramp to N.B. 495 over Dar and Toll Rd. Ext. EB?

The structure is 316 ft (96.3 m) long with a longest span of 93 ft (28.3 m) and a deck 27 ft wide.

Who owns Ramp to N.B. 495 over Dar and Toll Rd. Ext. EB?

It is owned by the State Highway Agency.