Road Stream Crossing Site CLHW_BC-013
Big Creek Watershed, Chub Creek
N Black Rd
Mason Twp,
Arenac County
Information collected by:
Site Location
GPS Coordinates: 44.13771
, -83.8782
T20N
R5E
Sec 16
Owned by Private
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 0.3938 tons/year
Severity: Moderate
Year Inventoried: 2016
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: Poor
Structure Interior: corrugated
Dimensions of Structure: Length 50 ft.
, Width 3 ft.
, Height 3 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1 ft./sec.
Structure Outlet
Water Depth: 0.4 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 0 ft.
, Width 0 ft.
, Depth 0 ft.
Upstream Pond: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Riffle Information
Water Depth: 0.4 ft.
Bankfull Width: 13 ft.
Wetted Width: 3.2 ft.
Water Velocity: 0.7 ft./sec.
(Measured with Float Test)
Dominant Substrate: Sand
Road Information
Paved
County Road
Road Condition: Good
Road Width at Culvert: 21 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 4.8 ft.
Slope: More than 1:2
Downstream
Fill Depth: 2.4 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 760 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.544
Erosion: 0.287 tons/year
Right Approach
Length: 330 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.466
Erosion: 0.1068 tons/year
Erosion Information
Total Erosion at Crossing: 0.3938 tons/year
Summary Information
Fish Passability 0.5