Structure 5500500 · Westchester County, NY

Maclean Avenue over 987dx RTE 987d No Name

Carries Maclean Avenue over 987dx RTE 987d No Name, 0.7 Mi W Hillview Res.

Overall conditionFair

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

How ratings work
Superstructuresets the rating5/9 · Fair
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT169 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck not ratedSuperstructure 5/9 · sets the ratingSubstructure 7/9

169 ft end to end, longest span 53 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 deck arch.

Built193195 years old
Length169.0 ft51.5 m
Daily traffic12,605counted 2018
Last inspectedJune 2024every 24 months

Location

StateNew York
CountyWestchester
Location0.7 Mi W Hillview Res
CarriesMaclean Avenue
Crosses987dx RTE 987d No Name
Coordinates40.91106, -73.88485

Physical Characteristics

MaterialConcrete Continuous
DesignArch - Deck
Total Length169.0 ft (51.5 m)
Max Span52.8 ft (16.1 m)
Deck Width73.2 ft (22.3 m)
Deck Area1148.5 sq m
Main Spans3
Year Built1931

Traffic

Avg Daily Traffic12,605 (2018)
Truck Traffic5%
Lanes On Bridge2
Lanes Under Bridge7

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical9 — Foundation above flood level
Structure Number000000005500500

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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