Structure 5515221 · Columbia County, NY

RTE I90 over Kinderhook Creek

Carries RTE I90 over Kinderhook Creek, 0.7 Mi S Of Malden Bridge.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructure6/9 · Satisfactory
Substructure6/9 · Satisfactory
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT251 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 6/9Substructure 6/9

251 ft end to end, longest span 81 ft: about 3 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 multi-beam bridge.

Built195868 years old
Length251.0 ft76.5 m
Daily traffic12,236counted 2014
Last inspectedJune 2023every 24 months

Location

StateNew York
CountyColumbia
Location0.7 Mi S Of Malden Bridge
CarriesRTE I90
CrossesKinderhook Creek
Coordinates42.46178, -73.58891

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length251.0 ft (76.5 m)
Max Span81.0 ft (24.7 m)
Deck Width44.0 ft (13.4 m)
Deck Area1025.1 sq m
Main Spans3
Year Built1958

Traffic

Avg Daily Traffic12,236 (2014)
Truck Traffic20%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJune 2023
Inspection FrequencyEvery 24 months
OwnerState Toll Authority
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number000000005515221

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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