Structure 1020960 · Schoharie County, NY

RTE 30 over Keyserkill Creek

Carries RTE 30 over Keyserkill Creek, 7.9 Mi SW Jct RT 30 + 145.

Overall conditionFair

Set by its lowest-rated component: Superstructure and Substructure at 6 of 9.

How ratings work
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT77 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck not ratedSuperstructure 6/9Substructure 6/9

77 ft end to end. 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 box-beam bridge.

Built195967 years old
Length77.1 ft23.5 m
Daily traffic1,561counted 2020
Last inspectedDecember 2024every 24 months

Location

StateNew York
CountySchoharie
Location7.9 Mi SW Jct RT 30 + 145
CarriesRTE 30
CrossesKeyserkill Creek
Coordinates42.52311, -74.41114

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length77.1 ft (23.5 m)
Max Span71.9 ft (21.9 m)
Deck Width41.3 ft (12.6 m)
Deck Area296.1 sq m
Main Spans1
Year Built1959

Traffic

Avg Daily Traffic1,561 (2020)
Truck Traffic14%
Lanes On Bridge2

Inspection & Ownership

Last InspectionDecember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number000000001020960

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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