US-31: M-68 over BEAR CREEK (Route: 31)
Num:2446x
Open: no restriction [A]
Built: 1930, Reconstructed: N/A [0000]
Historic: Bridge is on the NRHP. [1]

Google Streetview (If Available)

Rough Distance: 0 Miles (0 Kilometers)

Bridge Type
Main Span(s): Concrete [1] Tee beam [04]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Epoxy Overlay [5]

Bridge Dimensions
Length: 80.7 m = 264.8 ft
Main Spans: 7 at 13.7 m = 44.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 12.2 m = 40.0 ft (4 Lanes) and Out-To-Out: 16.9 m = 55.4 ft for a 13.7 m = 44.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Petoskey [63820]: Emmet County [047], Michigan [26]
Owned by State Highway Agency [01], DOT District: 2
IN PETOSKEY (MITCHELL ST)

Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: M 13.5 / H 15 [2]
Operating: 53.8 metric ton = 59.2 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 32.4 metric ton = 35.6 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: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Better than present minimum criteria [7]
Waterway: Superior to present desirable criteria [9] and Bridge is scour critical; bridge foundations determined to be unstable. [3]
Inspections
Date: July 1999 [799] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 28667 (2007) and Trucks: 3%
Future ADT: 33554 (In 2018 )

LAKE STREET over BEAR RIVER (Route: 0)
Num:2462x
Open: no restriction [A]
Built: 1993, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.1 Miles (0.1 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: 19.5 m = 64.0 ft
Main Spans: 1 at 19.2 m = 63.0 ft
Approach Spans: 0
Skew: 13
Width, Roadway: 11 m = 36.1 ft (2 Lanes) and Out-To-Out: 17.1 m = 56.1 ft for a 11 m = 36.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Petoskey [63820]: Emmet County [047], Michigan [26]
Owned by City or Municipal Highway Agency [04], DOT District: 2
IN PETOSKEY

Condition
Deck: Satisfactory [6]
Superstructure: Good [7]
Substructure: Very Good [8]
Loading
Design: MS 18 / HS 20 [5]
Operating: 62.9 metric ton = 69.2 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 37.6 metric ton = 41.4 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])

Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Better than present minimum criteria [7]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: September 2020 [0920] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 800 (1990) and Trucks: 10%
Future ADT: 1200 (In 2015 )

BRIDGE STREET over BEAR RIVER (Route: 2051)
Num:2461x
Posted for load [P]
Built: 1976, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.5 Miles (0.7 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: 54.8 m = 179.8 ft
Main Spans: 3 at 18.2 m = 59.7 ft
Approach Spans: 0
Skew: 99
Width, Roadway: 9.1 m = 29.9 ft (2 Lanes) and Out-To-Out: 11.6 m = 38.1 ft for a 11.5 m = 37.7 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Petoskey [63820]: Emmet County [047], Michigan [26]
Owned by City or Municipal Highway Agency [04], DOT District: 2
IN PETOSKEY

Condition
Deck: Very Good [8]
Superstructure: Good [7]
Substructure: Very Good [8]
Loading
Design: MS 18 / HS 20 [5]
Operating: 30.5 metric ton = 33.6 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 23.3 metric ton = 25.6 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])

Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Superior to present desirable criteria [9] and Bridge foundations (including piles) on dry land well above flood water elevations. [9]
Inspections
Date: September 2020 [0920] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 2382 (2018) and Trucks: 7%
Future ADT: 2620 (In 2038 )