Structure 502761B · Rockland County, NY

RTE I87 over 287ix 87ix RTE I87 Ra

Carries RTE I87 over 287ix 87ix RTE I87 Ra, Jct I87 & S.h.59.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT1,987 FT OVERALL250 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

1,987 ft end to end, longest span 300 ft: about 5.5 football fields. 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.

Built199531 years old
Length1986.9 ft605.6 m
Daily traffic—reported figure implausible
Last inspectedAugust 2023every 24 months

Location

StateNew York
CountyRockland
LocationJct I87 & S.h.59
CarriesRTE I87
Crosses287ix 87ix RTE I87 Ra
Coordinates41.11814, -74.15641

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length1986.9 ft (605.6 m)
Max Span299.9 ft (91.4 m)
Deck Width41.7 ft (12.7 m)
Deck Area7691.1 sq m
Main Spans11
Year Built1995

Traffic

Avg Daily Traffic110,000 (2007)
That is about 55,000 vehicles per lane per day — beyond what any U.S. road carries (the busiest freeways run about 25,000–30,000). It is almost certainly a data-entry error in the National Bridge Inventory, so we leave this bridge out of traffic rankings.
Truck Traffic15%
Lanes On Bridge2
Lanes Under Bridge12

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerState Toll Authority
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number00000000502761B

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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