Structure 3304450 · Saratoga County, NY

Nelson AVE Ext over Kayaderosseras Ck

Carries Nelson AVE Ext over Kayaderosseras Ck, 1.7 Mi NE Jct I87 & US 9.

Overall conditionFair

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

How ratings work
Superstructuresets the rating5/9 · Fair
Substructure6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT136 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck not ratedSuperstructure 5/9 · sets the ratingSubstructure 6/9

136 ft end to end. 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.

Built1960rebuilt 1998
Length136.2 ft41.5 m
Daily traffic513counted 2020
Last inspectedJune 2024every 24 months

Location

StateNew York
CountySaratoga
Location1.7 Mi NE Jct I87 & US 9
CarriesNelson AVE Ext
CrossesKayaderosseras Ck
Coordinates43.04365, -73.77106

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length136.2 ft (41.5 m)
Max Span133.9 ft (40.8 m)
Deck Width27.2 ft (8.3 m)
Deck Area344.4 sq m
Main Spans1
Year Built1960 (reconstructed 1998)

Traffic

Avg Daily Traffic513 (2020)
Truck Traffic7%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number000000003304450

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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