Structure 6221 · Fairfax County, VA

Jeff Davis Highway over Pohick Creek

Carries Jeff Davis Highway over Pohick Creek, 00.07 748 / 00.17 5550.

Overall conditionFair

Set by its lowest-rated component: Substructure at 6 of 9.

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT82 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

82 ft end to end, longest span 41 ft. 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 box-beam bridge.

Built198937 years old
Length82.0 ft25 m
Daily traffic34,430counted 2022
Last inspectedAugust 2023every 24 months

Location

StateVirginia
CountyFairfax
Location00.07 748 / 00.17 5550
CarriesJeff Davis Highway
CrossesPohick Creek
Coordinates38.70120, -77.21000

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length82.0 ft (25 m)
Max Span41.0 ft (12.5 m)
Deck Width111.9 ft (34.1 m)
Deck Area852.5 sq m
Main Spans2
Year Built1989

Traffic

Avg Daily Traffic34,430 (2022)
Truck Traffic2%
Lanes On Bridge7

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number000000000006221

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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