Structure 109544A · Westchester County, NY

RTE 138 over Adjacent To 684i

Carries RTE 138 over Adjacent To 684i, Jct SH 138 & I684.

Overall conditionPoor

Set by its lowest-rated component: Substructure at 4 of 9.

How ratings work
Deck7/9 · Good
Superstructure6/9 · Satisfactory
Substructuresets the rating4/9 · Poor
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT600 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9Substructure 4/9 · sets the rating

600 ft end to end, longest span 89 ft: about 1.7 football fields. 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.

Built197650 years old
Length600.1 ft182.9 m
Daily traffic8,459counted 2016
Last inspectedAugust 2023every 24 months

Location

StateNew York
CountyWestchester
LocationJct SH 138 & I684
CarriesRTE 138
CrossesAdjacent To 684i
Coordinates41.29531, -73.67752

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length600.1 ft (182.9 m)
Max Span88.9 ft (27.1 m)
Deck Width24.3 ft (7.4 m)
Deck Area1353.5 sq m
Main Spans8
Year Built1976

Traffic

Avg Daily Traffic8,459 (2016)
Truck Traffic4%
Lanes On Bridge1

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number00000000109544A

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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