Structure 106531O · Kings County, NY

RTE I278 over Hamilton To Carey Hamil

Carries RTE I278 over Hamilton To Carey Hamil, Gowanus EB To Bqe EB.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure6/9 · Satisfactory
Substructuresets the rating5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT906 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9Substructure 5/9 · sets the rating

906 ft end to end, longest span 75 ft: about 2.5 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.

Built1964rebuilt 2006
Length905.8 ft276.1 m
Daily traffic—reported figure implausible
Last inspectedNovember 2024every 24 months

Location

StateNew York
CountyKings
LocationGowanus EB To Bqe EB
CarriesRTE I278
CrossesHamilton To Carey Hamil
Coordinates40.67797, -74.00238

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length905.8 ft (276.1 m)
Max Span74.8 ft (22.8 m)
Deck Width36.1 ft (11 m)
Deck Area3037.1 sq m
Main Spans17
Year Built1964 (reconstructed 2006)

Traffic

Avg Daily Traffic161,771 (2011)
That is about 80,885 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 Traffic10%
Lanes On Bridge2
Lanes Under Bridge3

Inspection & Ownership

Last InspectionNovember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number00000000106531O

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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