US Bridges

Rte. 28 NB over Dulles Access RD

Fair

Loudoun County, Virginia · 0.96FR608/01.21TO606 · Structure no. 000000000011103

Built
1963
62 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
389 ft
6 main spans
Daily traffic
93,735
2022 count
Owner
State
State Highway Agency

About this bridge

Rte. 28 NB over Dulles Access RD is a steel stringer/multi-beam or girder carrying Rte. 28 NB over Dulles Access RD in Loudoun 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 93,735 vehicles a day, roughly 4% of them trucks, projected to reach 62,047 by 2042. The structure is 389 ft (118.6 m) long and 86 ft wide. If it were closed, the detour would be 34.2 mi (55 km).

Location

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CarriesRte. 28 NB
CrossesDulles Access RD
Location0.96FR608/01.21TO606
RouteState Highway 28
CountyLoudoun County
StateVirginia
Coordinates38.96198, -77.4274
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
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 rating64.7 US tons
Inventory rating49.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length389 ft (118.6 m)
Longest span71 ft (21.6 m)
Deck width86 ft (26.3 m)
Roadway width83 ft (25.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic93,735 (2022)
Projected traffic62,047 by 2042
Trucks4%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed34.2 mi (55 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$400 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Rte. 28 NB over Dulles Access RD built?

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

What condition is Rte. 28 NB over Dulles Access 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 August 2024.

How much traffic does Rte. 28 NB over Dulles Access RD carry?

About 93,735 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Rte. 28 NB over Dulles Access RD?

The structure is 389 ft (118.6 m) long with a longest span of 71 ft (21.6 m) and a deck 86 ft wide.

Who owns Rte. 28 NB over Dulles Access RD?

It is owned by the State Highway Agency.