Structure 105578H · Queens County, NY

RTE I678 over 25a (eb) U-turn Flushin

Carries RTE I678 over 25a (eb) U-turn Flushin, Jct I495 + I678.

Overall conditionPoor

Set by its lowest-rated component: Substructure at 4 of 9.

How ratings work
Deck6/9 · Satisfactory
Superstructure5/9 · Fair
Substructuresets the rating4/9 · Poor
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT1,032 FT OVERALL200 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 5/9Substructure 4/9 · sets the rating

1,032 ft end to end, longest span 69 ft: about 2.9 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.

Built196363 years old
Length1032.2 ft314.6 m
Daily traffic9,664counted 2016
Last inspectedSeptember 2023every 24 months

Location

StateNew York
CountyQueens
LocationJct I495 + I678
CarriesRTE I678
Crosses25a (eb) U-turn Flushin
Coordinates40.76183, -73.83864

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length1032.2 ft (314.6 m)
Max Span68.9 ft (21 m)
Deck Width29.2 ft (8.9 m)
Deck Area2799.9 sq m
Main Spans20
Year Built1963

Traffic

Avg Daily Traffic9,664 (2016)
Truck Traffic8%
Lanes On Bridge1
Lanes Under Bridge2

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number00000000105578H

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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