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Nearby Bridges in NBI 2021: 1


M-94 over AU TRAIN RIVER (Route: 94)
Num:36x
Open: no restriction [A]
Built: 1919, Reconstructed: 1955
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0 Miles (0 Kilometers)

Bridge Type
Main Span(s): Concrete [1] Arch - Deck [11]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 14.3 m = 46.9 ft
Main Spans: 1 at 14.3 m = 46.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 11.6 m = 38.1 ft (2 Lanes) and Out-To-Out: 13.3 m = 43.6 ft for a 11 m = 36.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Forest Lake [29620]: Alger County [003], Michigan [26]
Owned by State Highway Agency [01], DOT District: 1
W LIMITS OF FOREST LAKE
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: M 13.5 / H 15 [2]
Operating: 97.2 metric ton = 106.9 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 64.8 metric ton = 71.3 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
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 the assessed or calculated scour condition. [8]
Inspections
Date: May 1999 [599] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 6.8 km = 4.2 mi
Traffic
ADT: 1848 (2007) and Trucks: 16%
Future ADT: 1983 (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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