Structure 1093991 · Broome County, NY

RTE I88 over Main Street

Carries RTE I88 over Main Street, In Harpursville.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT486 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

486 ft end to end, longest span 150 ft: about 7 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.

Built1974rebuilt 2011
Length485.9 ft148.1 m
Daily traffic5,685counted 2007
Last inspectedAugust 2024every 24 months

Location

StateNew York
CountyBroome
LocationIn Harpursville
CarriesRTE I88
CrossesMain Street
Coordinates42.18449, -75.62101

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length485.9 ft (148.1 m)
Max Span149.9 ft (45.7 m)
Deck Width44.0 ft (13.4 m)
Deck Area1984.5 sq m
Main Spans4
Year Built1974 (reconstructed 2011)

Traffic

Avg Daily Traffic5,685 (2007)
Truck Traffic29%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000001093991

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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