Road Stream Crossing Site CLHW_BC-012
Big Creek Watershed, Chub Creek
Janish Rd
Mason Twp,
Arenac County
Information collected by:
Site Location
GPS Coordinates: 44.12009
, -83.88319
T20N
R5E
Sec 21
Owned by Private
Fish Passability 0
Perch Height: 1 ft.
Total Erosion: 1.0873 tons/year
Severity: Severe
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: Round
Inlet Type: Projecting
Outlet Type: Freefall into Pool
Structure Material: Metal
Structure Substrate: None
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 31 ft.
, Width 3 ft.
, Height 3 ft.
Perch Height: 1 ft.
Structure Inlet
Water Depth: 0.8 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 4.7 ft./sec.
Structure Outlet
Water Depth: 0.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 4.7 ft./sec.
*Water Velocities were measured at the Surface
(with Float Test)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 15 ft.
, Width 13 ft.
, Depth 2 ft.
Upstream Pond: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Riffle Information
Water Depth: 0.4 ft.
Bankfull Width: 6.6 ft.
Wetted Width: 5 ft.
Water Velocity: 1.9 ft./sec.
(Measured with Float Test)
Dominant Substrate: Gravel
Road Information
Gravel
County Road
Road Condition: Fair
Road Width at Culvert: 17 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 1.6 ft.
Slope: More than 1:2
Downstream
Fill Depth: 2.6 ft.
Slope: 1:1.5
Approaches
Left Approach
Length: 470 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.494
Erosion: 1.0873 tons/year
Right Approach
Length: 0 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0 tons/year
Erosion Information
Total Erosion at Crossing: 1.0873 tons/year
Summary Information
Fish Passability 0
Fish Passage is an area of concern for this site.
There is a fish barrier issue here, however this is a small stream and may not be considered a priority