Structure 1027080 · Ulster County, NY

RTE 55 over Rondout Creek

Carries RTE 55 over Rondout Creek, 5.4 Mi W Jct Rts 55+209.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT322 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 6/9 · sets the ratingSubstructure 7/9

322 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.

Built1939rebuilt 2010
Length321.9 ft98.1 m
Daily traffic761counted 2011
Last inspectedJune 2023every 24 months

Location

StateNew York
CountyUlster
Location5.4 Mi W Jct Rts 55+209
CarriesRTE 55
CrossesRondout Creek
Coordinates41.79177, -74.41407

Physical Characteristics

MaterialSteel
DesignTruss - Thru
Total Length321.9 ft (98.1 m)
Max Span179.8 ft (54.8 m)
Deck Width28.9 ft (8.8 m)
Deck Area863.3 sq m
Main Spans1
Year Built1939 (reconstructed 2010)

Traffic

Avg Daily Traffic761 (2011)
Truck Traffic8%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJune 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical5 — Stable for scour
Structure Number000000001027080

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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