Structure 3300610 · Suffolk County, NY

Montauk Highway over Quantuck Creek

Carries Montauk Highway over Quantuck Creek, 2 Mi East Of Westhampton.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT49 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 7/9

49 ft end to end. Lengths and the car 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.

Built194185 years old
Length48.9 ft14.9 m
Daily traffic9,775counted 2020
Last inspectedApril 2024every 24 months

Location

StateNew York
CountySuffolk
Location2 Mi East Of Westhampton
CarriesMontauk Highway
CrossesQuantuck Creek
Coordinates40.82287, -72.61873

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length48.9 ft (14.9 m)
Max Span46.9 ft (14.3 m)
Deck Width70.5 ft (21.5 m)
Deck Area320.4 sq m
Main Spans1
Year Built1941

Traffic

Avg Daily Traffic9,775 (2020)
Truck Traffic8%
Lanes On Bridge2

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical3 — Scour critical
Structure Number000000003300610

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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