US Bridges

15/29 Sbl over Cedar Run

Fair

Fauquier County, Virginia · .22 FR 15BUSN&.85 to 605 · Structure no. 000000000007122

Built
1955
70 years old, rebuilt 1997
Condition
Fair
inspected February 2024
Type
Slab
Concrete
Length
80 ft
4 main spans
Daily traffic
14,774
2022 count
Owner
State
State Highway Agency

About this bridge

15/29 Sbl over Cedar Run is a concrete slab carrying 15/29 Sbl over Cedar Run in Fauquier County, Virginia. It was built in 1955 and reconstructed in 1997, so it is 70 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 14,774 vehicles a day, roughly 1% of them trucks, projected to reach 35,488 by 2042. The structure is 80 ft (24.4 m) long and 84 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries15/29 Sbl
CrossesCedar Run
Location.22 FR 15BUSN&.85 to 605
RouteU.S. Route 15
Coordinates38.72922, -77.77814
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span20 ft (6.1 m)
Deck width84 ft (25.6 m)
Roadway width81 ft (24.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,774 (2022)
Projected traffic35,488 by 2042
Trucks1%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 15/29 Sbl over Cedar Run built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1997.

What condition is 15/29 Sbl over Cedar Run 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 February 2024.

How much traffic does 15/29 Sbl over Cedar Run carry?

About 14,774 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is 15/29 Sbl over Cedar Run?

The structure is 80 ft (24.4 m) long with a longest span of 20 ft (6.1 m) and a deck 84 ft wide.

Who owns 15/29 Sbl over Cedar Run?

It is owned by the State Highway Agency.