Structure 1080410 · Monroe County, NY

RTE 390 over Ramp NW To I390 NB

Carries RTE 390 over Ramp NW To I390 NB, I390 And I490 Interch..

Overall conditionGood

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

How ratings work
Decksets the rating9/9 · Excellent
Superstructuresets the rating9/9 · Excellent
Substructuresets the rating9/9 · Excellent
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT405 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 9/9Superstructure 9/9Substructure 9/9

405 ft end to end, longest span 200 ft: about 6 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.

Built20206 years old
Length404.9 ft123.4 m
Daily traffic—reported figure implausible
Last inspectedMay 2023every 24 months

Location

StateNew York
CountyMonroe
LocationI390 And I490 Interch.
CarriesRTE 390
CrossesRamp NW To I390 NB
Coordinates43.15940, -77.68140

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length404.9 ft (123.4 m)
Max Span200.1 ft (61 m)
Deck Width43.0 ft (13.1 m)
Deck Area1616.5 sq m
Main Spans2
Year Built2020

Traffic

Avg Daily Traffic104,009 (2020)
That is about 52,004 vehicles per lane per day — beyond what any U.S. road carries (the busiest freeways run about 25,000–30,000). It is almost certainly a data-entry error in the National Bridge Inventory, so we leave this bridge out of traffic rankings.
Truck Traffic6%
Lanes On Bridge2
Lanes Under Bridge1

Inspection & Ownership

Last InspectionMay 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000001080410

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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