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Nearby Bridges in NBI 2021: 2


COURT STREET over AUGRES RIVER (Route: 0)
Num:475x
Open: no restriction [A]
Built: 1925, 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] Girder and floorbeam system [03]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 28.9 m = 94.8 ft
Main Spans: 1 at 27.4 m = 89.9 ft
Approach Spans: 0
Skew: 30
Width, Roadway: 6.1 m = 20.0 ft (2 Lanes) and Out-To-Out: 8.2 m = 26.9 ft for a 8.5 m = 27.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Turner [80840]: Arenac County [011], Michigan [26]
Owned by County Highway Agency [02], DOT District: 4
0.2 MI S OF TWINING
Condition
Deck: Serious [3]
Superstructure: Fair [5]
Substructure: Fair [5]
Loading
Design: MS 18+Mod / HS 20+Mod [6]
Operating: 92.3 metric ton = 101.5 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 60.9 metric ton = 67.0 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: Better than present minimum criteria [7] and Bridge is scour critical; bridge foundations determined to be unstable. [3]
Inspections
Date: August 2020 [0820] and Frequency: 12
Future Work
Work Needed:
Bridge Detour: 0.6 km = 0.4 mi
Traffic
ADT: 145 (1998) and Trucks: 0%
Future ADT: 90 (In 1977 )
TWINING ROAD over AUGRES RIVER (Route: 680)
Num:435x
Open: no restriction [A]
Built: 1986, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.6 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: 25.6 m = 84.0 ft
Main Spans: 3 at 12.2 m = 40.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 10.4 m = 34.1 ft (2 Lanes) and Out-To-Out: 11.3 m = 37.1 ft for a 7.9 m = 25.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Turner [80840]: Arenac County [011], Michigan [26]
Owned by County Highway Agency [02], DOT District: 4
0.3 MILE EAST OF SANTIAGO
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
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: 32.7 metric ton = 36.0 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Better than present minimum criteria [7]
Road Alignment: Better than present minimum criteria [7]
Waterway: Better than present minimum criteria [7] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: August 2020 [0820] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 1.1 km = 0.7 mi
Traffic
ADT: 286 (1998) and Trucks: 0%
Future ADT: 160 (In 1977 )

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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