US Bridges

Cascades Parkway over Harry Byrd Hwy; Route 7

Fair

Loudoun County, Virginia · 0.40 FR 1792/0.40 to 1795 · Structure no. 000000000023036

Built
1990
35 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
214 ft
2 main spans
Daily traffic
23,336
2022 count
Owner
State
State Highway Agency

About this bridge

Cascades Parkway over Harry Byrd Hwy; Route 7 is a steel continuous stringer/multi-beam or girder carrying Cascades Parkway over Harry Byrd Hwy; Route 7 in Loudoun County, Virginia. It was built in 1990, so it is 35 years old, younger 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 23,336 vehicles a day, projected to reach 34,071 by 2045. The structure is 214 ft (65.2 m) long and 95 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesCascades Parkway
CrossesHarry Byrd Hwy; Route 7
Location0.40 FR 1792/0.40 to 1795
RouteCounty Highway 1794
CountyLoudoun County
StateVirginia
Coordinates39.03, -77.4016
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.4 US tons
Inventory rating41.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length214 ft (65.2 m)
Longest span107 ft (32.6 m)
Deck width95 ft (28.9 m)
Roadway width83 ft (25.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,336 (2022)
Projected traffic34,071 by 2045
Trucks0%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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$279 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Cascades Parkway over Harry Byrd Hwy; Route 7 built?

It was built in 1990, making it 35 years old in 2025.

What condition is Cascades Parkway over Harry Byrd Hwy; Route 7 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 July 2023.

How much traffic does Cascades Parkway over Harry Byrd Hwy; Route 7 carry?

About 23,336 vehicles per day (2022 count).

How long is Cascades Parkway over Harry Byrd Hwy; Route 7?

The structure is 214 ft (65.2 m) long with a longest span of 107 ft (32.6 m) and a deck 95 ft wide.

Who owns Cascades Parkway over Harry Byrd Hwy; Route 7?

It is owned by the State Highway Agency.