Structure 100000160069010 · Prince George's County, MD

Riverdale Road over NE Branch Of Anacostia R

Carries Riverdale Road over NE Branch Of Anacostia R, 0.33 Mi W Of Md 201.

Overall conditionPoor

Set by its lowest-rated component: Deck and Superstructure at 4 of 9.

How ratings work
Decksets the rating4/9 · Poor
Superstructuresets the rating4/9 · Poor
Substructure6/9 · Satisfactory
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT99 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 4/9 · sets the ratingSuperstructure 4/9 · sets the ratingSubstructure 6/9

99 ft end to end, longest span 45 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 deck arch.

Built193195 years old
Length99.1 ft30.2 m
Daily traffic7,399counted 94
Last inspectedJanuary 2024every 24 months

Location

StateMaryland
CountyPrince George's
Location0.33 Mi W Of Md 201
CarriesRiverdale Road
CrossesNE Branch Of Anacostia R
Coordinates38.96054, -76.92595

Physical Characteristics

MaterialConcrete
DesignArch - Deck
Total Length99.1 ft (30.2 m)
Max Span44.9 ft (13.7 m)
Deck Width34.8 ft (10.6 m)
Deck Area320.1 sq m
Main Spans2
Year Built1931

Traffic

Avg Daily Traffic7,399 (94)
Truck Traffic8%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJanuary 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical5 — Stable for scour
Structure Number100000160069010

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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