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Nearby Bridges in NBI 2021: 2


COLONY RD over MAPLE RIVER (Route: 0)
Num:1910x
Open: no restriction [A]
Built: 2013, 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: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 37.2 m = 122.1 ft
Main Spans: 1 at 36.8 m = 120.7 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 9.3 m = 30.5 ft (2 Lanes) and Out-To-Out: 10.3 m = 33.8 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
Duplain [23460]: Clinton County [037], Michigan [26]
Owned by County Highway Agency [02], DOT District: 6
1/2 MI E OF CHANDLER
Condition
Deck: Good [7]
Superstructure: Very Good [8]
Substructure: Very Good [8]
Loading
Design: Greater than HL93 [B]
Operating: 84.9 metric ton = 93.4 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 57.3 metric ton = 63.0 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Appraisal
Structural: Equal to present desirable criteria [8]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present minimum criteria [6] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: October 1999 [1099] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 1.9 km = 1.2 mi
Traffic
ADT: 1292 (2012) and Trucks: 5%
Future ADT: 1919 (In 2032 )
WATSON ROAD over SE BRANCH OF MAPLE RIVER (Route: 0)
Num:1971x
Open: no restriction [A]
Built: 1914, Reconstructed: 1985
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 Precast Panels [2] with Wearing Surface:
Bridge Dimensions
Length: 22.8 m = 74.8 ft
Main Spans: 1 at 22.5 m = 73.8 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 5.5 m = 18.0 ft (2 Lanes) and Out-To-Out: 5.5 m = 18.0 ft for a 6.1 m = 20.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Duplain [23460]: Clinton County [037], Michigan [26]
Owned by County Highway Agency [02], DOT District: 6
0.2 MI S OF COLONY RD
Condition
Deck: Fair [5]
Superstructure: Satisfactory [6]
Substructure: Poor [4]
Loading
Design: MS 18 / HS 20 [5]
Operating: 70.3 metric ton = 77.3 tons (Load Factor(LF) [1])
Inventory: 42.2 metric ton = 46.4 tons (Load Factor(LF) [1])
Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
Deck Geometry: Basically intolerable requiring high priority of corrrective action [3]
Road Alignment: Basically intolerable requiring high priority of corrrective action [3]
Waterway: Equal to present minimum criteria [6] and Bridge is scour critical; bridge foundations determined to be unstable. [3]
Inspections
Date: October 1999 [1099] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.6 km = 0.4 mi
Traffic
ADT: 212 (2011) and Trucks: 0%
Future ADT: 383 (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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