Bridge Type
Main Span(s): Steel continuous [4] Stringer/Multi-beam or girder [02]
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: 129.2 m = 423.9 ft
Main Spans: 3 at 51.8 m = 170.0 ft
Approach Spans: 0
Skew: 15
Width, Roadway: 9 m = 29.5 ft (2 Lanes) and Out-To-Out: 9.7 m = 31.8 ft for a 9.1 m = 29.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Duanesburg [21006]: Schenectady County [093], New York [36]
Owned by County Highway Agency [02], DOT District: 16
3.1 MILE N OF ESPERANCE
Condition
Deck: Fair [5]
Superstructure: Very Good [8]
Substructure: Satisfactory [6]
Loading
Design: MS 22.5 / HS 25 or greater [9]
Operating: 76.2 metric ton = 83.8 tons (Load Factor(LF) [1])
Inventory: 42.6 metric ton = 46.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Somewhat better than minimum adequacy to tolerate being left in place as is [5] and Bridge foundations determined to be stable for assessed or calculated scour conditions; field review indicates action is required. [4]
Inspections
Date: June 2020 [0620] and Frequency: 24
Future Work
Work Needed: Widening of existing bridge with deck rehabilitation or replacement. [34]
Bridge Detour: 1.9 km = 1.2 mi
Traffic
ADT: 457 (2017) and Trucks: 5%
Future ADT: 640 (In 2037
)