US Bridges

Hillsboro Road over S. F. of Catoctin Creek

Fair

Loudoun County, Virginia · 00.10FR.F962/0.40TOT1604 · Structure no. 000000000011275

Built
1970
55 years old
Condition
Fair
inspected January 2025
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
3,791
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Hillsboro Road over S. F. of Catoctin Creek is a concrete culvert carrying Hillsboro Road over S. F. of Catoctin Creek in Loudoun County, Virginia. It was built in 1970, so it is 55 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 3,791 vehicles a day, roughly 2% of them trucks, projected to reach 5,535 by 2045. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesHillsboro Road
CrossesS. F. of Catoctin Creek
Location00.10FR.F962/0.40TOT1604
RouteCity Street 690
CountyLoudoun County
StateVirginia
Coordinates39.14239, -77.72263
Functional classUrban Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.1 US tons
Inventory rating32.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,791 (2022)
Projected traffic5,535 by 2045
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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$25 million (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Hillsboro Road over S. F. of Catoctin Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Hillsboro Road over S. F. of Catoctin Creek 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 January 2025.

How much traffic does Hillsboro Road over S. F. of Catoctin Creek carry?

About 3,791 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Hillsboro Road over S. F. of Catoctin Creek?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m).

Who owns Hillsboro Road over S. F. of Catoctin Creek?

It is owned by the Town or Township Highway Agency.