Structure 1068530 · Rockland County, NY

Oak Tree Road over 987c 987c85011005 RTE 9

Carries Oak Tree Road over 987c 987c85011005 RTE 9, .5 Mi S Jct Pip & SH 340.

Overall conditionFair

Set by its lowest-rated component: Substructure at 5 of 9.

How ratings work
Deck6/9 · Satisfactory
Superstructure6/9 · Satisfactory
Substructuresets the rating5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT164 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 5/9 · sets the rating

164 ft end to end, longest span 77 ft: about 2 semi-trucks nose to tail. Lengths and the semi-truck 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 rigid-frame bridge.

Built195472 years old
Length164.0 ft50 m
Daily traffic3,331counted 2019
Last inspectedJune 2023every 24 months

Location

StateNew York
CountyRockland
Location.5 Mi S Jct Pip & SH 340
CarriesOak Tree Road
Crosses987c 987c85011005 RTE 9
Coordinates41.01212, -73.92375

Physical Characteristics

MaterialConcrete Continuous
DesignFrame
Total Length164.0 ft (50 m)
Max Span77.1 ft (23.5 m)
Deck Width46.9 ft (14.3 m)
Deck Area715 sq m
Main Spans2
Year Built1954

Traffic

Avg Daily Traffic3,331 (2019)
Truck Traffic4%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last InspectionJune 2023
Inspection FrequencyEvery 24 months
OwnerState Park/Forest Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number000000001068530

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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