Structure 5513500 · Albany County, NY

Beaver Dam Road over 87ix RTE I87

Carries Beaver Dam Road over 87ix RTE I87, .49 Mi NW Int 22 On I87.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT247 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

247 ft end to end, longest span 77 ft: about 3 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 multi-beam bridge.

Built1954rebuilt 1987
Length247.0 ft75.3 m
Daily traffic1,483counted 2017
Last inspectedMay 2023every 24 months

Location

StateNew York
CountyAlbany
Location.49 Mi NW Int 22 On I87
CarriesBeaver Dam Road
Crosses87ix RTE I87
Coordinates42.54127, -73.78271

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length247.0 ft (75.3 m)
Max Span77.1 ft (23.5 m)
Deck Width33.1 ft (10.1 m)
Deck Area760.5 sq m
Main Spans4
Year Built1954 (reconstructed 1987)

Traffic

Avg Daily Traffic1,483 (2017)
Truck Traffic4%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last InspectionMay 2023
Inspection FrequencyEvery 24 months
OwnerState Toll Authority
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number000000005513500

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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