Structure 3321410 · Cattaraugus County, NY

Coal Chutes Road over Ischua Creek

Carries Coal Chutes Road over Ischua Creek, 2.9 Mi S Of Franklinville.

Overall conditionGood

Set by its lowest-rated component: Deck and Substructure at 8 of 9.

How ratings work
Decksets the rating8/9 · Very Good
Superstructure9/9 · Excellent
Substructuresets the rating8/9 · Very Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT127 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9 · sets the ratingSuperstructure 9/9Substructure 8/9 · sets the rating

127 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 through truss.

Built199729 years old
Length127.0 ft38.7 m
Daily traffic279counted 2021
Last inspectedMay 2023every 24 months

Location

StateNew York
CountyCattaraugus
Location2.9 Mi S Of Franklinville
CarriesCoal Chutes Road
CrossesIschua Creek
Coordinates42.28583, -78.45567

Physical Characteristics

MaterialSteel
DesignTruss - Thru
Total Length127.0 ft (38.7 m)
Max Span123.7 ft (37.7 m)
Deck Width27.6 ft (8.4 m)
Deck Area325.1 sq m
Main Spans1
Year Built1997

Traffic

Avg Daily Traffic279 (2021)
Truck Traffic4%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMay 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number000000003321410

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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