Road Stream Crossing Site CLHW_BC-010
Big Creek Watershed, Chub Creek
N Black Rd
Mason Twp,
Arenac County
Information collected by:
Site Location
GPS Coordinates: 44.11095
, -83.87774
T20N
R5E
Sec 28
Owned by Private
Fish Passability 0.9
Structure is NOT Perched
Total Erosion: 0.1719 tons/year
Severity: Minor
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: Ellipse
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Mixture
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 30 ft.
, Width 7 ft.
, Height 4.6 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 1.2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1 ft./sec.
Structure Outlet
Water Depth: 0.9 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1 ft./sec.
*Water Velocities were measured at the Surface
(with Float Test)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 26 ft.
, Width 12 ft.
, Depth 1.5 ft.
Upstream Pond: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Riffle Information
Water Depth: 0.6 ft.
Bankfull Width: 13.5 ft.
Wetted Width: 9 ft.
Water Velocity: 2.1 ft./sec.
(Measured with Float Test)
Dominant Substrate: Cobble
Road Information
Gravel
County Road
Road Condition: Fair
Road Width at Culvert: 16 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 0.9 ft.
Slope: More than 1:2
Downstream
Fill Depth: 0.7 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 0 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0 tons/year
Right Approach
Length: 780 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.1719 tons/year
Erosion Information
Total Erosion at Crossing: 0.1719 tons/year
Summary Information
Fish Passability 0.9