Structure 5521217 · Richmond County, NY

RTE I278 over 907c 907cx2m13033 RTE I

Carries RTE I278 over 907c 907cx2m13033 RTE I, I278 Over The Narrows.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructuresets the rating5/9 · Fair
Substructuresets the rating5/9 · Fair
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
7,738 FT OVERALL1,000 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 5/9Substructure 5/9

7,738 ft end to end, longest span 4,224 ft: about 21 football fields, or 1.5 miles. Lengths are drawn to scale; at this length a semi-truck would be a speck. 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 suspension bridge.

Built196165 years old
Length7737.9 ft2358.5 m
Daily traffic182,700counted 2014
Last inspectedOctober 2024every 24 months

Location

StateNew York
CountyRichmond
LocationI278 Over The Narrows
CarriesRTE I278
Crosses907c 907cx2m13033 RTE I
Coordinates40.60941, -74.03609

Physical Characteristics

MaterialSteel
DesignSuspension
Total Length7737.9 ft (2358.5 m)
Max Span4224.1 ft (1287.5 m)
Deck Width87.9 ft (26.8 m)
Deck Area63207.8 sq m
Main Spans5
Year Built1961

Traffic

Avg Daily Traffic182,700 (2014)
Truck Traffic12%
Lanes On Bridge6
Lanes Under Bridge12

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerLocal Toll Authority
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number000000005521217

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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