Bridge Type
Main Span(s): Aluminum: Wrought Iron or Cast Iron [9] Truss - Thru [10]
Approach Span(s): Other [00]
Deck: Wood or Timber [8] with Wearing Surface: Wood or Timber [7]
Bridge Dimensions
Length: 23.5 m = 77.1 ft
Main Spans: 1 at 22.6 m = 74.2 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 3.4 m = 11.2 ft (1 Lanes) and Out-To-Out: 3.7 m = 12.1 ft for a 3.4 m = 11.2 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Tunbridge [73675]: Orange County [017], Vermont [50]
Owned by Town or Township Highway Agency [03], DOT District: 4
0.1 MI JCT TH 25 + VT110
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: MS 18+Mod / HS 20+Mod [6]
Operating: 19.8 metric ton = 21.8 tons (Allowable Stress(AS) [2])
Inventory: 16.2 metric ton = 17.8 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Basically intolerable requiring high priority of corrrective action [3]
Road Alignment: Meets minimum tolerable limits to be left in place as is [4]
Waterway: Better than present minimum criteria [7] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: November 1999 [1199] and Frequency: 24
Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 1.3 km = 0.8 mi
Traffic
ADT: 30 (2019) and Trucks: 2%
Future ADT: 32 (In 2029
)
