Structure 2249380 · Richmond County, NY

Guyon Avenue over Sirt South Shore

Carries Guyon Avenue over Sirt South Shore, In Oakwood.

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
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT109 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 5/9Substructure 5/9

109 ft end to end, longest span 48 ft. Lengths and the car 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.

Built195175 years old
Length108.9 ft33.2 m
Daily traffic6,903counted 2020
Last inspectedOctober 2023every 24 months

Location

StateNew York
CountyRichmond
LocationIn Oakwood
CarriesGuyon Avenue
CrossesSirt South Shore
Coordinates40.56456, -74.12694

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length108.9 ft (33.2 m)
Max Span47.9 ft (14.6 m)
Deck Width64.0 ft (19.5 m)
Deck Area647.4 sq m
Main Spans3
Year Built1951

Traffic

Avg Daily Traffic6,903 (2020)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerOther Local Agencies
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number000000002249380

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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