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: 38.1 m = 125.0 ft
Main Spans: 1 at 36.5 m = 119.8 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 6.7 m = 22.0 ft (2 Lanes) and Out-To-Out: 9.6 m = 31.5 ft for a 7 m = 23.0 ft approaching roadway.
Vertical Clearance: 4.47 m = 14.7 ft and Navigational Clearance: 0 = N/A
Location
Chatham [14014]: Columbia County [021], New York [36]
Owned by State Highway Agency [01], DOT District: 81
3.8 MI S JCT RTE66+I90
Condition
Deck: Satisfactory [6]
Superstructure: Poor [4]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 42.1 metric ton = 46.3 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 32.4 metric ton = 35.6 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
Deck Geometry: Basically intolerable requiring high priority of corrrective action [3]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Meets minimum tolerable limits to be left in place as is [4] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: July 2020 [0720] and Frequency: 24
Future Work
Work Needed: Widening of existing bridge with deck rehabilitation or replacement. [34]
Bridge Detour: 2.4 km = 1.5 mi
Traffic
ADT: 1711 (2016) and Trucks: 8%
Future ADT: 1784 (In 2039
)
