Structure 2100038P0000000 · Fairfax County, VA

EB Diaah over Centreville Road

Carries EB Diaah over Centreville Road, 2.8 Miles From Dulles Air.

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
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT102 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

102 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 multi-beam bridge.

Built198442 years old
Length102.0 ft31.1 m
Daily traffic22,000counted 2024
Last inspectedFebruary 2024every 24 months

Location

StateVirginia
CountyFairfax
Location2.8 Miles From Dulles Air
CarriesEB Diaah
CrossesCentreville Road
Coordinates38.95673, -77.40436

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length102.0 ft (31.1 m)
Max Span98.1 ft (29.9 m)
Deck Width44.0 ft (13.4 m)
Deck Area416.7 sq m
Main Spans1
Year Built1984

Traffic

Avg Daily Traffic22,000 (2024)
Lanes On Bridge2
Lanes Under Bridge7

Inspection & Ownership

Last InspectionFebruary 2024
Inspection FrequencyEvery 24 months
OwnerCode 76
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number2100038P0000000

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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