Structure 551410A · Rockland County, NY

Airmont Road over 87ix RTE I87

Carries Airmont Road over 87ix RTE I87, Airmont RD & I87 Nys Twy.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT176 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

176 ft end to end, longest span 85 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 multi-beam bridge.

Built199333 years old
Length175.9 ft53.6 m
Daily traffic24,443counted 2014
Last inspectedDecember 2024every 24 months

Location

StateNew York
CountyRockland
LocationAirmont RD & I87 Nys Twy
CarriesAirmont Road
Crosses87ix RTE I87
Coordinates41.11645, -74.11297

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length175.9 ft (53.6 m)
Max Span85.0 ft (25.9 m)
Deck Width58.1 ft (17.7 m)
Deck Area948.7 sq m
Main Spans2
Year Built1993

Traffic

Avg Daily Traffic24,443 (2014)
Truck Traffic5%
Lanes On Bridge4
Lanes Under Bridge6

Inspection & Ownership

Last InspectionDecember 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number00000000551410A

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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