NICHOLS ROAD over MISTEGUAY CREEK (Route: 0)
Num:2775x
Posted for load [P]
Built: 1930, 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: Monolithic Concrete (concurrently placed with structural deck) [1]

Bridge Dimensions
Length: 13.7 m = 44.9 ft
Main Spans: 1 at 13.4 m = 44.0 ft
Approach Spans: 0
Skew: 33
Width, Roadway: 9.1 m = 29.9 ft (2 Lanes) and Out-To-Out: 11 m = 36.1 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
Clayton [16260]: Genesee County [049], Michigan [26]
Owned by County Highway Agency [02], DOT District: 4
BET CORUNNA & CALKINS RD

Condition
Deck: Fair [5]
Superstructure: Poor [4]
Substructure: Fair [5]
Loading
Design: MS 18+Mod / HS 20+Mod [6]
Operating: 31.4 metric ton = 34.5 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 18.8 metric ton = 20.7 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])

Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
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 is scour critical; bridge foundations determined to be unstable. [3]
Inspections
Date: November 2020 [1120] and Frequency: 12

Future Work
Work Needed:
Bridge Detour: 0 km = 0.0 mi
Traffic
ADT: 221 (2009) and Trucks: 2%
Future ADT: 332 (In 2029 )

M-21 over MISTEQUAY CREEK (Route: 56)
Num:2572x
Open: no restriction [A]
Built: 2010, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.3 Miles (0.5 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete [5] Stringer/Multi-beam or girder [02]
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: 19.8 m = 65.0 ft
Main Spans: 1 at 17.8 m = 58.4 ft
Approach Spans: 0
Skew: 45
Width, Roadway: 26.2 m = 86.0 ft (2 Lanes) and Out-To-Out: 27.2 m = 89.2 ft for a 21.9 m = 71.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Clayton [16260]: Genesee County [049], Michigan [26]
Owned by State Highway Agency [01], DOT District: 4
2.1 MI E OF SHIAWASSEE CO

Condition
Deck: Very Good [8]
Superstructure: Excellent [9]
Substructure: Good [7]
Loading
Design: Greater than HL93 [B]
Operating: 73.1 metric ton = 80.4 tons (Load Factor(LF) [1])
Inventory: 39.1 metric ton = 43.0 tons (Load Factor(LF) [1])

Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Superior to present desirable criteria [9]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: March 2020 [0320] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 6400 (2008) and Trucks: 4%
Future ADT: 7900 (In 2031 )