Structure 3450008P0000000 · District of Columbia County, DC

Beach Drive over Rock Creek

Carries Beach Drive over Rock Creek, 1.5 Miles From Joyce Road.

Overall conditionFair

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

How ratings work
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT79 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck not ratedSuperstructure 6/9 · sets the ratingSubstructure 7/9

79 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 deck arch.

Built1902124 years old
Length79.4 ft24.2 m
Daily traffic13,100counted 2019
Last inspectedJuly 2023every 24 months

Location

StateDistrict of Columbia
CountyDistrict of Columbia
Location1.5 Miles From Joyce Road
CarriesBeach Drive
CrossesRock Creek
Coordinates38.94837, -77.04506

Physical Characteristics

MaterialConcrete
DesignArch - Deck
Total Length79.4 ft (24.2 m)
Max Span79.4 ft (24.2 m)
Deck Width29.2 ft (8.9 m)
Deck Area215.4 sq m
Main Spans1
Year Built1902

Traffic

Avg Daily Traffic13,100 (2019)
Truck Traffic1%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJuly 2023
Inspection FrequencyEvery 24 months
OwnerNational Park Service
Historical SignificanceBridge is eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number3450008P0000000

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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