Structure 1031161 · Broome County, NY

RTE I81 over 990g990g91011008 RTE 99

Carries RTE I81 over 990g990g91011008 RTE 99, Exit 2 RTE I-81.

Overall conditionPoor

Set by its lowest-rated component: Substructure at 4 of 9.

How ratings work
Deck6/9 · Satisfactory
Superstructure7/9 · Good
Substructuresets the rating4/9 · Poor
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT248 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 7/9Substructure 4/9 · sets the rating

248 ft end to end, longest span 76 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.

Built196363 years old
Length248.0 ft75.6 m
Daily traffic14,451counted 2010
Last inspectedNovember 2024every 24 months

Location

StateNew York
CountyBroome
LocationExit 2 RTE I-81
CarriesRTE I81
Crosses990g990g91011008 RTE 99
Coordinates42.09776, -75.81836

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length248.0 ft (75.6 m)
Max Span75.8 ft (23.1 m)
Deck Width45.3 ft (13.8 m)
Deck Area1043.3 sq m
Main Spans4
Year Built1963

Traffic

Avg Daily Traffic14,451 (2010)
Truck Traffic31%
Lanes On Bridge3
Lanes Under Bridge5

Inspection & Ownership

Last InspectionNovember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000001031161

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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