US Bridges

Mc Pherson Circle over Trib.Of Potomac River

Fair

Loudoun County, Virginia · 00.10FR1775/00.05TO1613 · Structure no. 000000000011393

Built
1987
38 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
28 ft
3 main spans
Daily traffic
542
2020 count
Owner
State
State Highway Agency

About this bridge

Mc Pherson Circle over Trib.Of Potomac River is a concrete culvert carrying Mc Pherson Circle over Trib.Of Potomac River in Loudoun County, Virginia. It was built in 1987, so it is 38 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 542 vehicles a day, projected to reach 610 by 2042. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 123.7 mi (199 km).

CarriesMc Pherson Circle
CrossesTrib.Of Potomac River
Location00.10FR1775/00.05TO1613
RouteCounty Highway 1593
Coordinates39.05582, -77.41826
Functional classUrban Local

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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating65 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic542 (2020)
Projected traffic610 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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$2.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Mc Pherson Circle over Trib.Of Potomac River built?

It was built in 1987, making it 38 years old in 2025.

What condition is Mc Pherson Circle over Trib.Of Potomac River 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 June 2024.

How much traffic does Mc Pherson Circle over Trib.Of Potomac River carry?

About 542 vehicles per day (2020 count).

How long is Mc Pherson Circle over Trib.Of Potomac River?

The structure is 28 ft (8.5 m) long with a longest span of 9 ft (2.7 m).

Who owns Mc Pherson Circle over Trib.Of Potomac River?

It is owned by the State Highway Agency.