CANBORO ROAD over EAST BR. PIGEON RIVER (Route: 0)
Num:3594x
Open: no restriction [A]
Built: 2008, 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: Not applicable [N] with Wearing Surface: Bituminous [6]

Bridge Dimensions
Length: 21.9 m = 71.9 ft
Main Spans: 1 at 21.5 m = 70.5 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 8.6 m = 28.2 ft (2 Lanes) and Out-To-Out: 9.5 m = 31.2 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
Grant [34260]: Huron County [063], Michigan [26]
Owned by County Highway Agency [02], DOT District: 4
SEC. 3-10 GRANT TWP.

Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 67.4 metric ton = 74.1 tons (Load Factor(LF) [1])
Inventory: 40.4 metric ton = 44.4 tons (Load Factor(LF) [1])

Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: September 1999 [999] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 1.1 km = 0.7 mi
Traffic
ADT: 125 (2009) and Trucks: 3%
Future ADT: 225 (In 2029 )

ELKTON ROAD over EAST BR. PIGEON RIVER (Route: 3235)
Num:3542x
Open: no restriction [A]
Built: 1920, Reconstructed: 2008
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): 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: 12.2 m = 40.0 ft
Main Spans: 1 at 11.8 m = 38.7 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 10 m = 32.8 ft (2 Lanes) and Out-To-Out: 10.9 m = 35.8 ft for a 11.6 m = 38.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Grant [34260]: Huron County [063], Michigan [26]
Owned by County Highway Agency [02], DOT District: 4
SEC. 3-4 GRANT TWP.

Condition
Deck: Good [7]
Superstructure: Very Good [8]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 86.9 metric ton = 95.6 tons (Load Factor(LF) [1])
Inventory: 52.1 metric ton = 57.3 tons (Load Factor(LF) [1])

Appraisal
Structural: Better than present minimum criteria [7]
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 with ""unknown"" foundation that has not been evaluated for scour. [U]"
Inspections
Date: September 1999 [999] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 0.6 km = 0.4 mi
Traffic
ADT: 1750 (2007) and Trucks: 3%
Future ADT: 3160 (In 2027 )