Structure 6870 · Fairfax County, VA

Beulah Road over Wolf Trap Run

Carries Beulah Road over Wolf Trap Run, 0.00fr675/00.30to678.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT31 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

31 ft end to end. Lengths and the car on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a slab bridge.

Built1965rebuilt 1994
Length30.8 ft9.4 m
Daily traffic6,353counted 2022
Last inspectedDecember 2024every 24 months

Location

StateVirginia
CountyFairfax
Location0.00fr675/00.30to678
CarriesBeulah Road
CrossesWolf Trap Run
Coordinates38.95071, -77.28449

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length30.8 ft (9.4 m)
Max Span29.9 ft (9.1 m)
Deck Width23.6 ft (7.2 m)
Deck Area67.7 sq m
Main Spans1
Year Built1965 (reconstructed 1994)

Traffic

Avg Daily Traffic6,353 (2022)
Truck Traffic1%
Lanes On Bridge2

Inspection & Ownership

Last InspectionDecember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number000000000006870

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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