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Nearby Bridges in NBI 2021: 2


M-66 over DOC & TOM CREEK (Route: 66)
Num:8586x
Open: no restriction [A]
Built: 1924, Reconstructed: N/A [0000]
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] Tee beam [04]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
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: 10.1 m = 33.1 ft (2 Lanes) and Out-To-Out: 11.6 m = 38.1 ft for a 12.2 m = 40.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Sylvan [77760]: Osceola County [133], Michigan [26]
Owned by State Highway Agency [01], DOT District: 3
2.8 MI N OF US-10
Condition
Deck: Fair [5]
Superstructure: Poor [4]
Substructure: Satisfactory [6]
Loading
Design: M 13.5 / H 15 [2]
Operating: 77.4 metric ton = 85.1 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 46.3 metric ton = 50.9 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: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Equal to present minimum criteria [6] and "Bridge with ""unknown"" foundation that has not been evaluated for scour. [U]"
Inspections
Date: July 1999 [799] and Frequency: 24
Future Work
Work Needed: Bridge deck replacement with only incidental widening. [37]
Bridge Detour: 1 km = 0.6 mi
Traffic
ADT: 1990 (2007) and Trucks: 7%
Future ADT: 2912 (In 2018 )
M-66 over MUSKEGON RIVER (Route: 66)
Num:8587x
Open: would be posted or closed except for temporary shoring [D]
Built: 1940, Reconstructed: 1994
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.3 Miles (0.5 Kilometers)

Bridge Type
Main Span(s): Steel [3] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Epoxy Overlay [5]
Bridge Dimensions
Length: 67 m = 219.8 ft
Main Spans: 4 at 16.7 m = 54.8 ft
Approach Spans: 0
Skew: 35
Width, Roadway: 10.7 m = 35.1 ft (2 Lanes) and Out-To-Out: 11.8 m = 38.7 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
Sylvan [77760]: Osceola County [133], Michigan [26]
Owned by State Highway Agency [01], DOT District: 3
3.2 MI N OF US-10
Condition
Deck: Good [7]
Superstructure: Satisfactory [6]
Substructure: Poor [4]
Loading
Design: M 18 / H 20 [4]
Operating: 0 metric ton = 0.0 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 0 metric ton = 0.0 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Appraisal
Structural: Basically intolerable requiring high priority of corrrective action [3]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Equal to present desirable criteria [8] and Bridge is scour critical; bridge foundations determined to be unstable. [3]
Inspections
Date: July 2020 [0720] and Frequency: 12
Future Work
Work Needed: Bridge deck replacement with only incidental widening. [37]
Bridge Detour: 1 km = 0.6 mi
Traffic
ADT: 1990 (2007) and Trucks: 7%
Future ADT: 2912 (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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