Structure 1002970 · Montgomery County, NY

RTE 5s over Terwilleger Creek

Carries RTE 5s over Terwilleger Creek, 1.5 Mi E Jct Rts 5s & 160.

Overall conditionGood

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

How ratings work
Superstructure9/9 · Excellent
Substructuresets the rating8/9 · Very Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT64 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck not ratedSuperstructure 9/9Substructure 8/9 · sets the rating

64 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 tee-beam bridge.

Built1957rebuilt 2018
Length64.0 ft19.5 m
Daily traffic2,421counted 2020
Last inspectedOctober 2024every 24 months

Location

StateNew York
CountyMontgomery
Location1.5 Mi E Jct Rts 5s & 160
CarriesRTE 5s
CrossesTerwilleger Creek
Coordinates42.91579, -74.15342

Physical Characteristics

MaterialPrestressed Concrete
DesignTee Beam
Total Length64.0 ft (19.5 m)
Max Span59.7 ft (18.2 m)
Deck Width44.3 ft (13.5 m)
Deck Area263.2 sq m
Main Spans1
Year Built1957 (reconstructed 2018)

Traffic

Avg Daily Traffic2,421 (2020)
Truck Traffic19%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number000000001002970

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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