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Nearby Bridges in NBI 2021: 1


BATH ROAD over S BR LOOKINGGLASS RIVER (Route: 0)
Num:9779x
Open: no restriction [A]
Built: 1925, Reconstructed: N/A [0000]
Historic: Historical significance is not determinable at this time. [4]

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Rough Distance: 0 Miles (0 Kilometers)

Bridge Type
Main Span(s): Concrete [1] Girder and floorbeam system [03]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 12.5 m = 41.0 ft
Main Spans: 1 at 11.2 m = 36.7 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 7 m = 23.0 ft (2 Lanes) and Out-To-Out: 8.3 m = 27.2 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
Woodhull [88400]: Shiawassee County [155], Michigan [26]
Owned by County Highway Agency [02], DOT District: 4
5 MILES S OF LAINGSBURG
Condition
Deck: Poor [4]
Superstructure: Fair [5]
Substructure: Satisfactory [6]
Loading
Design: M 18 / H 20 [4]
Operating: 46.3 metric ton = 50.9 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 27.5 metric ton = 30.3 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: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Better than present minimum criteria [7]
Waterway: Equal to present minimum criteria [6] and Bridge is scour critical; bridge foundations determined to be unstable. [3]
Inspections
Date: March 2021 [0321] 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: 910 (2010) and Trucks: 10%
Future ADT: 931 (In 2031 )

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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