Structure 3300549 · Suffolk County, NY

Nicolls RD over Hospital Pedestrian Undr

Carries Nicolls RD over Hospital Pedestrian Undr, At Stony Brook.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT45 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 6/9 · sets the ratingSubstructure 7/9

45 ft end to end, longest span 26 ft. 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 slab bridge.

Built197551 years old
Length44.9 ft13.7 m
Daily traffic17,259counted 2020
Last inspectedMarch 2024every 24 months

Location

StateNew York
CountySuffolk
LocationAt Stony Brook
CarriesNicolls RD
CrossesHospital Pedestrian Undr
Coordinates40.91101, -73.11802

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length44.9 ft (13.7 m)
Max Span25.9 ft (7.9 m)
Deck Width157.2 ft (47.9 m)
Deck Area656.2 sq m
Main Spans2
Year Built1975

Traffic

Avg Daily Traffic17,259 (2020)
Truck Traffic4%
Lanes On Bridge4
Lanes Under Bridge2

Inspection & Ownership

Last InspectionMarch 2024
Inspection FrequencyEvery 24 months
OwnerOther State Agencies
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000003300549

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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