Bridge Type
Main Span(s): Steel [3] Truss - Thru [10]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Integral Concrete (separate non-modified layer of concrete added to structural deck) [2]
Bridge Dimensions
Length: 20.7 m = 67.9 ft
Main Spans: 1 at 19.5 m = 64.0 ft
Approach Spans: 0
Skew: 18
Width, Roadway: 4.4 m = 14.4 ft (1 Lanes) and Out-To-Out: 4.9 m = 16.1 ft for a 4.3 m = 14.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Dryden [20962]: Tompkins County [109], New York [36]
Owned by County Highway Agency [02], DOT District: 36
1.6 MI SW OF MCLEAN
Condition
Deck: Excellent [9]
Superstructure: Good [7]
Substructure: Satisfactory [6]
Loading
Design:
Operating: 21.8 metric ton = 24.0 tons (Load Factor(LF) [1])
Inventory: 12.7 metric ton = 14.0 tons (Load Factor(LF) [1])
Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Waterway: Better than present minimum criteria [7] and Bridge is scour critical; bridge foundations determined to be unstable. [3]
Inspections
Date: May 2020 [0520] and Frequency: 12
Future Work
Work Needed: Widening of existing bridge with deck rehabilitation or replacement. [34]
Bridge Detour: 0.1 km = 0.1 mi
Traffic
ADT: 231 (2017) and Trucks: 5%
Future ADT: 323 (In 2037
)
