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Nearby Bridges in NBI 2021: 2


M-66 over MIDDLE BRANCH RIVER (Route: 66)
Num:8594x
Open: no restriction [A]
Built: 1939, 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): Steel [3] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 13.7 m = 44.9 ft
Main Spans: 1 at 13.7 m = 44.9 ft
Approach Spans: 0
Skew: 25
Width, Roadway: 12.2 m = 40.0 ft (2 Lanes) and Out-To-Out: 15.3 m = 50.2 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
Marion [51660]: Osceola County [133], Michigan [26]
Owned by State Highway Agency [01], DOT District: 3
3.8 MI N OF M-61
Condition
Deck: Fair [5]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: M 18 / H 20 [4]
Operating: 54.5 metric ton = 60.0 tons (Allowable Stress(AS) [2])
Inventory: 20.9 metric ton = 23.0 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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: September 2020 [0920] and Frequency: 24
Future Work
Work Needed: Bridge deck replacement with only incidental widening. [37]
Bridge Detour: 0.5 km = 0.3 mi
Traffic
ADT: 3158 (2007) and Trucks: 7%
Future ADT: 3298 (In 2018 )
OLD M-61 over MIDDLE BRANCH RIVER (Route: 61)
Num:8603x
Posted for load [P]
Built: 1939, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.1 Miles (0.1 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: 8.2 m = 26.9 ft
Main Spans: 1 at 7.6 m = 24.9 ft
Approach Spans: 0
Skew: 30
Width, Roadway: 26.5 m = 86.9 ft (4 Lanes) and Out-To-Out: 35.7 m = 117.1 ft for a 26.5 m = 86.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Marion [51660]: Osceola County [133], Michigan [26]
Owned by City or Municipal Highway Agency [04], DOT District: 3
0.1 MI E OF M-66
Condition
Deck: Not Applicable [N]
Superstructure: Poor [4]
Substructure: Poor [4]
Loading
Design: M 13.5 / H 15 [2]
Operating: 16.7 metric ton = 18.4 tons ()
Inventory: 9.8 metric ton = 10.8 tons ()
Appraisal
Structural: Basically intolerable requiring high priority of replacement [2]
Deck Geometry: Superior to present desirable criteria [9]
Road Alignment: Better than present minimum criteria [7]
Waterway: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: July 2020 [0720] 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: 0.6 km = 0.4 mi
Traffic
ADT: 3600 (2008) and Trucks: 5%
Future ADT: 6000 (In 2028 )

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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