Structure 2247290 · Queens County, NY

49th Avenue over Long Island Rr Amtrak

Carries 49th Avenue over Long Island Rr Amtrak, At Sunnyside.

Overall conditionPoor

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

How ratings work
Deck5/9 · Fair
Superstructure5/9 · Fair
Substructuresets the rating4/9 · Poor
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT332 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 5/9Substructure 4/9 · sets the rating

332 ft end to end, longest span 73 ft: about 5 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.

Built1908rebuilt 1983
Length332.0 ft101.2 m
Daily traffic11,628counted 2016
Last inspectedOctober 2024every 12 months

Location

StateNew York
CountyQueens
LocationAt Sunnyside
Carries49th Avenue
CrossesLong Island Rr Amtrak
Coordinates40.74217, -73.94743

Physical Characteristics

MaterialSteel
DesignGirder and Floorbeam
Total Length332.0 ft (101.2 m)
Max Span73.2 ft (22.3 m)
Deck Width62.3 ft (19 m)
Deck Area1922.8 sq m
Main Spans5
Year Built1908 (reconstructed 1983)

Traffic

Avg Daily Traffic11,628 (2016)
Truck Traffic4%
Lanes On Bridge4

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 12 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is eligible for the National Register
Scour CriticalNot applicable
Structure Number000000002247290

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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