US Bridges

Simpsons Creek Rd. over Simpsons Creek

Fair

Loudoun County, Virginia · 00.30FR7/00.10TO7BYPASS · Structure no. 000000000011306

Built
1930
95 years old
Condition
Fair
inspected March 2023
Type
Tee Beam
Concrete
Length
34 ft
1 main span
Daily traffic
122
2009 count
Owner
State
State Highway Agency

About this bridge

Simpsons Creek Rd. over Simpsons Creek is a concrete tee beam carrying Simpsons Creek Rd. over Simpsons Creek in Loudoun County, Virginia. It was built in 1930, so it is 95 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 122 vehicles a day, projected to reach 144 by 2045. The structure is 34 ft (10.4 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSimpsons Creek Rd.
CrossesSimpsons Creek
Location00.30FR7/00.10TO7BYPASS
RouteCounty Highway 712
Coordinates39.12875, -77.78297
Functional classRural 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
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
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57.1 US tons
Inventory rating34.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length34 ft (10.4 m)
Longest span33 ft (10.1 m)
Deck width25 ft (7.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic122 (2009)
Projected traffic144 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$375 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Simpsons Creek Rd. over Simpsons Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is Simpsons Creek Rd. over Simpsons 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 March 2023.

How much traffic does Simpsons Creek Rd. over Simpsons Creek carry?

About 122 vehicles per day (2009 count).

How long is Simpsons Creek Rd. over Simpsons Creek?

The structure is 34 ft (10.4 m) long with a longest span of 33 ft (10.1 m) and a deck 25 ft wide.

Who owns Simpsons Creek Rd. over Simpsons Creek?

It is owned by the State Highway Agency.