Bridge Type
Main Span(s): Steel [3] Truss - Thru [10]
Approach Span(s): Other [00]
Deck: Wood or Timber [8] with Wearing Surface: Wood or Timber [7]
Bridge Dimensions
Length: 22.8 m = 74.8 ft
Main Spans: 1 at 22.2 m = 72.8 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 4 m = 13.1 ft (2 Lanes) and Out-To-Out: 4.8 m = 15.7 ft for a 4.9 m = 16.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Holland [38660]: Missaukee County [113], Michigan [26]
Owned by County Highway Agency [02], DOT District: 2
SECTION 11 T21N R5W
Condition
Deck: Satisfactory [6]
Superstructure: Poor [4]
Substructure: Critical [2]
Loading
Design: MS 18+Mod / HS 20+Mod [6]
Operating: 3.2 metric ton = 3.5 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 1.9 metric ton = 2.1 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Appraisal
Structural:
Deck Geometry: N/A [N]
Road Alignment: Meets minimum tolerable limits to be left in place as is [4]
Waterway: Somewhat better than minimum adequacy to tolerate being left in place as is [5] and Bridge is scour critical; field review indicates that extensive scour has occurred at bridge foundations. [2]
Inspections
Date: November 2020 [1120] and Frequency: 3
Future Work
Work Needed: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 1.6 km = 1.0 mi
Traffic
ADT: 78 (2007) and Trucks: 10%
Future ADT: 140 (In 2027
)