Structure 552121I · Richmond County, NY

RTE I278 over I278 Relief

Carries RTE I278 over I278 Relief, I278 Over The Narrows.

Overall conditionFair

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

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

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT480 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

480 ft end to end, longest span 126 ft: about 7 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 girder bridge.

Built1965rebuilt 1994
Length480.0 ft146.3 m
Daily traffic4,994counted 2020
Last inspectedJuly 2024every 24 months

Location

StateNew York
CountyRichmond
LocationI278 Over The Narrows
CarriesRTE I278
CrossesI278 Relief
Coordinates40.61335, -74.02819

Physical Characteristics

MaterialSteel
DesignGirder and Floorbeam
Total Length480.0 ft (146.3 m)
Max Span126.0 ft (38.4 m)
Deck Width33.1 ft (10.1 m)
Deck Area1477.6 sq m
Main Spans2
Year Built1965 (reconstructed 1994)

Traffic

Avg Daily Traffic4,994 (2020)
Truck Traffic8%
Lanes On Bridge1
Lanes Under Bridge3

Inspection & Ownership

Last InspectionJuly 2024
Inspection FrequencyEvery 24 months
OwnerLocal Toll Authority
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number00000000552121I

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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