Bridge Type
Main Span(s): Wood or timber [7] Slab [01]
Approach Span(s): Other [00]
Deck: Wood or Timber [8] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 16.5 m = 54.1 ft
Main Spans: 3 at 7.9 m = 25.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 9.4 m = 30.8 ft (2 Lanes) and Out-To-Out: 10.1 m = 33.1 ft for a 7.9 m = 25.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Elk [25280]: Sanilac County [151], Michigan [26]
Owned by County Highway Agency [02], DOT District: 4
SEC 17-20 ELK TWP
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 41.8 metric ton = 46.0 tons (Load Factor(LF) [1])
Inventory: 25.1 metric ton = 27.6 tons (Load Factor(LF) [1])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] 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:
Bridge Detour: 0.6 km = 0.4 mi
Traffic
ADT: 165 (2010) and Trucks: 10%
Future ADT: 300 (In 2030
)