Road Stream Crossing Site CLHW_DR-012
Devils River Watershed, Berlinski Creek
Spruce Rd
Sanborn Twp,
Alpena County
Information collected by:
Site Location
GPS Coordinates: 44.92475
, -83.50603
T29N
R8E
Sec 7
Owned by Private
Structure is NOT Perched
Total Erosion: 1.1306 tons/year
Severity: Moderate
Year Inventoried: 2016
Site ID
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Square/Rectangle
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Sand
General Conditions: Good
Structure Interior: smooth
Dimensions of Structure: Length 90 ft.
, Width 12 ft.
, Height 6 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.5 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.2 ft./sec.
Structure Outlet
Water Depth: 0.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.2 ft./sec.
*Water Velocities were measured at the Surface
(with Float Test)
Additional Comments
Could not obtain riffle due to inability to pass electrical fencing just beyond outlet
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 20 ft.
, Width 14 ft.
, Depth 1 ft.
Upstream Pond: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Road Information
Paved
County Road
Road Condition: Good
Road Width at Culvert: 30 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 1 ft.
Slope: More than 1:2
Downstream
Fill Depth: 1 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.5653 tons/year
Right Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.5653 tons/year
Erosion Information
Total Erosion at Crossing: 1.1306 tons/year
Summary Information