MAIN ST over HOLLY DRAIN (Route: 0)
Num:9893x
Open: no restriction [A]
Built: 1965, 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 Precast Panels [2] with Wearing Surface: Bituminous [6]

Bridge Dimensions
Length: 10.9 m = 35.8 ft
Main Spans: 1 at 10 m = 32.8 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 8.8 m = 28.9 ft (2 Lanes) and Out-To-Out: 10.4 m = 34.1 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
Vernon [82020]: Shiawassee County [155], Michigan [26]
Owned by City or Municipal Highway Agency [04], DOT District: 4
IN THE VILLAGE OF VERNON

Condition
Deck: Poor [4]
Superstructure: Poor [4]
Substructure: Satisfactory [6]
Loading
Design: MS 18+Mod / HS 20+Mod [6]
Operating: 52.5 metric ton = 57.8 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 31.4 metric ton = 34.5 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: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Equal to present desirable criteria [8]
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: 24

Future Work
Work Needed:
Bridge Detour: 0.6 km = 0.4 mi
Traffic
ADT: 1209 (2010) and Trucks: 2%
Future ADT: 1600 (In 2020 )

PARMENTER RD over SHIAWASSEE RIVER (Route: 0)
Num:9874x
Open: no restriction [A]
Built: 2000, Reconstructed: N/A [0000]
Historic: Bridge is on the NRHP. [1]

Google Streetview (If Available)

Rough Distance: 0.2 Miles (0.4 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: Integral Concrete (separate non-modified layer of concrete added to structural deck) [2]

Bridge Dimensions
Length: 37.5 m = 123.0 ft
Main Spans: 2 at 18.8 m = 61.7 ft
Approach Spans: 0
Skew: 24
Width, Roadway: 11 m = 36.1 ft (2 Lanes) and Out-To-Out: 11.5 m = 37.7 ft for a 10.1 m = 33.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Vernon [82040]: Shiawassee County [155], Michigan [26]
Owned by County Highway Agency [02], DOT District: 4
0.5 MI NW OF VERNON

Condition
Deck: Very Good [8]
Superstructure: Very Good [8]
Substructure: Very Good [8]
Loading
Design: MS 18 / HS 20 [5]
Operating: 68 metric ton = 74.8 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 40.8 metric ton = 44.9 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])

Appraisal
Structural: Equal to present desirable criteria [8]
Deck Geometry: Equal to present desirable criteria [8]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Better than present minimum criteria [7] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: May 2020 [0520] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 1 km = 0.6 mi
Traffic
ADT: 359 (2000) and Trucks: 2%
Future ADT: 533 (In 2019 )

WALNUT STREET over HOLLY DRAIN (Route: 0)
Num:9895x
Open: no restriction [A]
Built: 1987, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.2 Miles (0.4 Kilometers)

Bridge Type
Main Span(s): Concrete [1] Culvert [19]
Approach Span(s): Other [00]
Deck: Concrete Precast Panels [2] with Wearing Surface: Bituminous [6]

Bridge Dimensions
Length: 13.7 m = 44.9 ft
Main Spans: 2 at 6.1 m = 20.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 8.5 m = 27.9 ft (2 Lanes) and Out-To-Out: 10.9 m = 35.8 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
Vernon [82020]: Shiawassee County [155], Michigan [26]
Owned by City or Municipal Highway Agency [04], DOT District: 4
IN THE VILLAGE OF VERNON

Condition
Deck: Not Applicable [N]
Superstructure: Not Applicable [N]
Substructure: Not Applicable [N]
Loading
Design: MS 18+Mod / HS 20+Mod [6]
Operating: 34.3 metric ton = 37.7 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 20.7 metric ton = 22.8 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])

Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Better than present minimum criteria [7]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Better than present minimum criteria [7] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: August 2020 [0820] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 90 (0) and Trucks: 2%
Future ADT: 170 (In 1998 )

M-71 over SHIAWASSEE RIVER (Route: 71)
Num:9768x
Open: no restriction [A]
Built: 1931, Reconstructed: 1999
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.7 Kilometers)

Bridge Type
Main Span(s): Steel continuous [4] 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: 33.8 m = 110.9 ft
Main Spans: 2 at 16.7 m = 54.8 ft
Approach Spans: 0
Skew: 15
Width, Roadway: 13.1 m = 43.0 ft (2 Lanes) and Out-To-Out: 14.2 m = 46.6 ft for a 13.4 m = 44.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Vernon [82040]: Shiawassee County [155], Michigan [26]
Owned by State Highway Agency [01], DOT District: 4
2.3 MI NW OF M-78

Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Satisfactory [6]
Loading
Design: MS 22.5 / HS 25 or greater [9]
Operating: 87.7 metric ton = 96.5 tons (Load Factor(LF) [1])
Inventory: 52.5 metric ton = 57.8 tons (Load Factor(LF) [1])

Appraisal
Structural: Equal to present minimum criteria [6]
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 desirable criteria [8] and "Bridge with ""unknown"" foundation that has not been evaluated for scour. [U]"
Inspections
Date: August 1999 [899] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 6379 (2007) and Trucks: 6%
Future ADT: 7118 (In 2018 )