Structure 1052970 · Westchester County, NY

RTE 120 over 684i684i87011051 RTE I6

Carries RTE 120 over 684i684i87011051 RTE I6, Jct Rts I684+120.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT418 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

418 ft end to end, longest span 123 ft: about 6 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 multi-beam bridge.

Built196957 years old
Length418.0 ft127.4 m
Daily traffic7,345counted 2017
Last inspectedJune 2024every 24 months

Location

StateNew York
CountyWestchester
LocationJct Rts I684+120
CarriesRTE 120
Crosses684i684i87011051 RTE I6
Coordinates41.08761, -73.71788

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length418.0 ft (127.4 m)
Max Span123.0 ft (37.5 m)
Deck Width33.1 ft (10.1 m)
Deck Area1286.7 sq m
Main Spans4
Year Built1969

Traffic

Avg Daily Traffic7,345 (2017)
Truck Traffic3%
Lanes On Bridge2
Lanes Under Bridge6

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000001052970

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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