US Bridges

Blackwell Road over Cedar Run

Good

Fauquier County, Virginia · .81 FR 605 & .51 Ncl Warr · Structure no. 000000000007347

Built
1966
59 years old, rebuilt 2018
Condition
Good
inspected December 2024
Type
Slab
Prestressed Concrete
Length
36 ft
1 main span
Daily traffic
1,107
2022 count
Owner
State
State Highway Agency

About this bridge

Blackwell Road over Cedar Run is a prestressed concrete slab carrying Blackwell Road over Cedar Run in Fauquier County, Virginia. It was built in 1966 and reconstructed in 2018, so it is 59 years old, older than the Virginia average of 50.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,107 vehicles a day, projected to reach 1,616 by 2042. The structure is 36 ft (11 m) long and 24 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesBlackwell Road
CrossesCedar Run
Location.81 FR 605 & .51 Ncl Warr
RouteCounty Highway 672
CountyFauquier County
StateVirginia
Coordinates38.74084, -77.78813
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating78 US tons
Inventory rating60 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length36 ft (11 m)
Longest span28 ft (8.5 m)
Deck width24 ft (7.3 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,107 (2022)
Projected traffic1,616 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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$100 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Blackwell Road over Cedar Run built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2018.

What condition is Blackwell Road over Cedar Run in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2024.

How much traffic does Blackwell Road over Cedar Run carry?

About 1,107 vehicles per day (2022 count).

How long is Blackwell Road over Cedar Run?

The structure is 36 ft (11 m) long with a longest span of 28 ft (8.5 m) and a deck 24 ft wide.

Who owns Blackwell Road over Cedar Run?

It is owned by the State Highway Agency.