US Bridges

Keyser Road over Mountain Run

Fair

Culpeper County, Virginia · .05 from 667 & .65 to 699 · Structure no. 000000000005697

Built
1988
37 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
92 ft
1 main span
Daily traffic
4,958
2014 count
Owner
State
State Highway Agency

About this bridge

Keyser Road over Mountain Run is a steel stringer/multi-beam or girder carrying Keyser Road over Mountain Run in Culpeper County, Virginia. It was built in 1988, so it is 37 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 4,958 vehicles a day, projected to reach 5,726 by 2042. The structure is 92 ft (28 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesKeyser Road
CrossesMountain Run
Location.05 from 667 & .65 to 699
RouteCounty Highway 799
Coordinates38.47211, -77.97189
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.1 US tons
Inventory rating59 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length92 ft (28 m)
Longest span90 ft (27.4 m)
Deck width32 ft (9.7 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,958 (2014)
Projected traffic5,726 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Keyser Road over Mountain Run built?

It was built in 1988, making it 37 years old in 2025.

What condition is Keyser Road over Mountain 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 July 2024.

How much traffic does Keyser Road over Mountain Run carry?

About 4,958 vehicles per day (2014 count).

How long is Keyser Road over Mountain Run?

The structure is 92 ft (28 m) long with a longest span of 90 ft (27.4 m) and a deck 32 ft wide.

Who owns Keyser Road over Mountain Run?

It is owned by the State Highway Agency.