Bridge Type
Main Span(s): Steel [3] Truss - Thru [10]
Approach Span(s): Steel [3] Girder and floorbeam system [03]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Latex Concrete or similar additive [3]
Bridge Dimensions
Length: 1047.6 m = 3437.2 ft
Main Spans: 5 at 182.9 m = 600.1 ft
Approach Spans: 24
Skew: 0
Width, Roadway: 7.6 m = 24.9 ft (2 Lanes) and Out-To-Out: 9.7 m = 31.8 ft for a 10.1 m = 33.1 ft approaching roadway.
Vertical Clearance: 5.51 m = 18.1 ft and Navigational Clearance: 28.3 m = 92.9 ft
Location
Tonawanda [75000]: Erie County [029], New York [36]
Owned by State Toll Authority [31], DOT District: 53
JCT RT 266 + 324 N.B.
Condition
Deck: Very Good [8]
Superstructure: Satisfactory [6]
Substructure: Good [7]
Loading
Design: MS 18+Mod / HS 20+Mod [6]
Operating: 51.7 metric ton = 56.9 tons (Load Factor(LF) [1])
Inventory: 32.7 metric ton = 36.0 tons (Load Factor(LF) [1])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present minimum criteria [6] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: November 2020 [1120] and Frequency: 24
Future Work
Work Needed: Widening of existing bridge with deck rehabilitation or replacement. [34]
Bridge Detour: 0 km = 0.0 mi
Traffic
ADT: 34395 (2017) and Trucks: 7%
Future ADT: 38546 (In 2039
)
