Bridge Type
Main Span(s): Wood or timber [7] Truss - Thru [10]
Approach Span(s): Other [00]
Deck: Wood or Timber [8] with Wearing Surface: Wood or Timber [7]
Bridge Dimensions
Length: 29.8 m = 97.8 ft
Main Spans: 1 at 29.2 m = 95.8 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 4.3 m = 14.1 ft (2 Lanes) and Out-To-Out: 5.5 m = 18.0 ft for a 6.7 m = 22.0 ft approaching roadway.
Vertical Clearance: 3.05 m = 10.0 ft and Navigational Clearance: 0 = N/A
Location
Vergennes [81920]: Kent County [081], Michigan [26]
Owned by County Highway Agency [02], DOT District: 3
0.8 MI E OF BIGGS AVE
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18+Mod / HS 20+Mod [6]
Operating: 2.7 metric ton = 3.0 tons (Allowable Stress(AS) [2])
Inventory: 2.5 metric ton = 2.8 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Basically intolerable requiring high priority of corrrective action [3]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Meets minimum tolerable limits to be left in place as is [4]
Waterway: Equal to present desirable criteria [8] and Bridge is scour critical; bridge foundations determined to be unstable. [3]
Inspections
Date: September 2020 [0920] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.6 km = 0.4 mi
Traffic
ADT: 122 (1996) and Trucks: 0%
Future ADT: 220 (In 2016
)