Road Stream Crossing Site EUP_42N2W21_001
Les Cheneaux Islands Watershed, Unnamed
M 134
Mackinac County
Information collected by:
HNF USFS
Site Location
GPS Coordinates: 46.0269423720001,-84.550576872
T 042NN R 002W Sec 21
Fish Passability: Not Assessed
Structure is NOT Perched
Overall Score: 8
Severity: Minor
Date Inventoried: 8/14/2018
Crossing Information*
Type of Crossing: Bridge
Inlet Type: Other
Outlet Type: Outlet Apron
Structure Material: Concrete
General Conditions: Major deterioration from corrosion or abrasion (5-10% of the structure is rusted through) or cracking or spalling or chipping (medium sized cracks, widespread chipping, exposed metal reinforcement). OR Major shape changes (described above) reducing the capacity of the structure by less than 30%. OR segment disconnection (segments of concrete or metal culvert disconnecting internally) but no evidence of water piping.
Percentage Plugged: 41% - 60% Inlet
Percentage Crushed: None or 0%
Structure is NOT Perched
Riffle Information
Road Information
Road Surface: Paved
Owner: State
Road Condition: New Pavement or Well Graded, Same condition as initial placement.
Runoff Path: Roadway
Approaches
Left Approach
Length: 0 ft.
Slope: < 1%
Vegetation: Heavy, Ditch is fully vegetated or rip-rapped with no signs of erosion.
Right Approach
Length: 0 ft.
Slope: < 1%
Vegetation: Heavy, Ditch is fully vegetated or rip-rapped with no signs of erosion.
Erosion Information
Summary Information
Fish Passability: Not Assessed
*These data are maintained in the Michigan DNR Road Stream Crossing Inventory.