Structure 1078100 · Orange County, NY

RTE 84 over Catskill Aqueduct

Carries RTE 84 over Catskill Aqueduct, 1 Mi S Jct 17k & Drury La.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT112 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

112 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 box-beam bridge.

Built200719 years old
Length111.9 ft34.1 m
Daily traffic46,873counted 2009
Last inspectedOctober 2023every 24 months

Location

StateNew York
CountyOrange
Location1 Mi S Jct 17k & Drury La
CarriesRTE 84
CrossesCatskill Aqueduct
Coordinates41.51154, -74.12733

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length111.9 ft (34.1 m)
Max Span102.0 ft (31.1 m)
Deck Width36.4 ft (11.1 m)
Deck Area378.5 sq m
Main Spans1
Year Built2007

Traffic

Avg Daily Traffic46,873 (2009)
Truck Traffic20%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000001078100

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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