Structure 1071120 · Livingston County, NY

RTE 20a over 390i390i42021269 RTE I3

Carries RTE 20a over 390i390i42021269 RTE I3, Jct. Rts 390i & 20a.

Overall conditionFair

Set by its lowest-rated component: Deck and Substructure at 5 of 9.

How ratings work
Decksets the rating5/9 · Fair
Superstructure7/9 · Good
Substructuresets the rating5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT321 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 7/9Substructure 5/9 · sets the rating

321 ft end to end, longest span 158 ft: about 4 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.

Built198046 years old
Length320.9 ft97.8 m
Daily traffic11,144counted 2021
Last inspectedSeptember 2023every 24 months

Location

StateNew York
CountyLivingston
LocationJct. Rts 390i & 20a
CarriesRTE 20a
Crosses390i390i42021269 RTE I3
Coordinates42.82606, -77.73668

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length320.9 ft (97.8 m)
Max Span157.8 ft (48.1 m)
Deck Width66.9 ft (20.4 m)
Deck Area1995.1 sq m
Main Spans2
Year Built1980

Traffic

Avg Daily Traffic11,144 (2021)
Truck Traffic5%
Lanes On Bridge3
Lanes Under Bridge4

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000001071120

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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