Structure 5524420 · Albany County, NY

Crossgates Flyover over Northway I-87 RTE I87

Carries Crossgates Flyover over Northway I-87 RTE I87, 0.5m N.jct RT 20 & 87i.

Overall conditionGood

Set by its lowest-rated component: Substructure at 7 of 9.

How ratings work
Deck9/9 · Excellent
Superstructure8/9 · Very Good
Substructuresets the rating7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT705 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 9/9Superstructure 8/9Substructure 7/9 · sets the rating

705 ft end to end, longest span 123 ft: about 2.0 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.

Built1993rebuilt 2013
Length705.1 ft214.9 m
Last inspectedOctober 2024every 24 months

Location

StateNew York
CountyAlbany
Location0.5m N.jct RT 20 & 87i
CarriesCrossgates Flyover
CrossesNorthway I-87 RTE I87
Coordinates42.68669, -73.84466

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length705.1 ft (214.9 m)
Max Span122.7 ft (37.4 m)
Deck Width28.5 ft (8.7 m)
Deck Area1869.6 sq m
Main Spans6
Year Built1993 (reconstructed 2013)

Traffic

Truck Traffic5%
Lanes On Bridge1
Lanes Under Bridge10

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000005524420

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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