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Nearby Bridges in NBI 2021: 2


WHITMORE LAKE ROAD over CN-GTC-GTW RR (ABN) (Route: 0)
Num:5841x
Open: no restriction [A]
Built: 1960, 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): Prestressed concrete [5] Box beam or girders - Multiple [05]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 42 m = 137.8 ft
Main Spans: 3 at 13.7 m = 44.9 ft
Approach Spans: 0
Skew: 5
Width, Roadway: 7.9 m = 25.9 ft (2 Lanes) and Out-To-Out: 10.1 m = 33.1 ft for a 9.1 m = 29.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Green Oak [35060]: Livingston County [093], Michigan [26]
Owned by County Highway Agency [02], DOT District: 6
SEC 32 GREEN OAK TWP
Condition
Deck: Satisfactory [6]
Superstructure: Fair [5]
Substructure: Satisfactory [6]
Loading
Design: MS 18+Mod / HS 20+Mod [6]
Operating: 49.1 metric ton = 54.0 tons (Allowable Stress(AS) [2])
Inventory: 28.2 metric ton = 31.0 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Basically intolerable requiring high priority of corrrective action [3]
Road Alignment: Equal to present desirable criteria [8]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: July 1999 [799] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.5 km = 0.3 mi
Traffic
ADT: 2650 (2013) and Trucks: 0%
Future ADT: 8328 (In 2020 )
US-23 over M-36 (Route: 23)
Num:5732x
Open: no restriction [A]
Built: 1960, Reconstructed: 2006
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.2 Miles (0.3 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: Latex Concrete or similar additive [3]
Bridge Dimensions
Length: 51.2 m = 168.0 ft
Main Spans: 3 at 17.7 m = 58.1 ft
Approach Spans: 0
Skew: 27
Width, Roadway: 27 m = 88.6 ft (6 Lanes) and Out-To-Out: 29.6 m = 97.1 ft for a 28 m = 91.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Green Oak [35060]: Livingston County [093], Michigan [26]
Owned by State Highway Agency [01], DOT District: 6
@ M-36
Condition
Deck: Poor [4]
Superstructure: Fair [5]
Substructure: Fair [5]
Loading
Design: MS 18 / HS 20 [5]
Operating: 70.6 metric ton = 77.7 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 42.1 metric ton = 46.3 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Better than present minimum criteria [7]
Road Alignment: Equal to present minimum criteria [6]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: July 2020 [0720] and Frequency: 12
Future Work
Work Needed:
Bridge Detour: 0 km = 0.0 mi
Traffic
ADT: 61696 (2007) and Trucks: 12%
Future ADT: 67218 (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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