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Nearby Bridges in NBI 2021: 1


COPPS MINE ROAD over PRESQUE ISLE RIVER (Route: 0)
Num:2998x
Bridge closed to all traffic [K]
Built: 1906, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

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Rough Distance: 0 Miles (0 Kilometers)

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: 21.3 m = 69.9 ft
Main Spans: 1 at 20.7 m = 67.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 3.7 m = 12.1 ft (1 Lanes) and Out-To-Out: 4.2 m = 13.8 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
Marenisco [51560]: Gogebic County [053], Michigan [26]
Owned by County Highway Agency [02], DOT District: 1
SEC 28 MARENISCO TWP
Condition
Deck: Imminent Failure [1]
Superstructure: Poor [4]
Substructure: Critical [2]
Loading
Design: M 9 / H 10 [1]
Operating: 0 metric ton = 0.0 tons ()
Inventory: 0 metric ton = 0.0 tons ()
Appraisal
Structural:
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Basically intolerable requiring high priority of corrrective action [3]
Waterway: Somewhat better than minimum adequacy to tolerate being left in place as is [5] and Bridge is scour critical; bridge foundations determined to be unstable. [3]
Inspections
Date: September 2020 [0920] and Frequency: 12
Future Work
Work Needed: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 20 km = 12.4 mi
Traffic
ADT: 10 (1998) and Trucks: 0%
Future ADT: 10 (In 2018 )

Special Bridge Conditions Legend: R - Former location of relocated bridge. ! - At risk for demolition or destruction. X - Confirmed demolished or collapsed. S  - Dismantled and/or in storage. L -  Severe loss of historic integrity due to alteration.

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