Bridge Type
Main Span(s): Steel [3] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Wood or Timber [8] with Wearing Surface: Wood or Timber [7]
Bridge Dimensions
Length: 9.4 m = 30.8 ft
Main Spans: 1 at 9.4 m = 30.8 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 3.7 m = 12.1 ft (1 Lanes) and Out-To-Out: 3.7 m = 12.1 ft for a 2.9 m = 9.5 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Spurr [76000]: Baraga County [013], Michigan [26]
Owned by State Park: Forest: or Reservation Agency [11], DOT District: 1
100 FT S OF US-41/M-28
Condition
Deck: Poor [4]
Superstructure: Satisfactory [6]
Substructure: Fair [5]
Loading
Design:
Operating: 22 metric ton = 24.2 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 13.3 metric ton = 14.6 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Basically intolerable requiring high priority of corrrective action [3] and Bridge is scour critical; bridge foundations determined to be unstable. [3]
Inspections
Date: October 1999 [1099] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.1 km = 0.1 mi
Traffic
ADT: 10 (2013) and Trucks: 0%
Future ADT: 10 (In 2033
)
