Structure 4418090 · Washington County, NY

New Swamp Road over Champlain Canal

Carries New Swamp Road over Champlain Canal, Jct N Swamp RD & Champ C.

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
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT282 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 5/9Substructure 4/9 · sets the rating

282 ft end to end: about 4 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 through truss.

Built1911115 years old
Length282.2 ft86 m
Daily traffic52counted 2020
Last inspectedOctober 2024every 12 months

Location

StateNew York
CountyWashington
LocationJct N Swamp RD & Champ C
CarriesNew Swamp Road
CrossesChamplain Canal
Coordinates43.33170, -73.51044

Physical Characteristics

MaterialSteel
DesignTruss - Thru
Total Length282.2 ft (86 m)
Max Span180.8 ft (55.1 m)
Deck Width17.1 ft (5.2 m)
Deck Area447.2 sq m
Main Spans1
Year Built1911

Traffic

Avg Daily Traffic52 (2020)
Truck Traffic10%
Lanes On Bridge1

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical4 — Foundations need monitoring
Structure Number000000004418090

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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