Road Stream Crossing Site CLHW_BC-005
Big Creek Watershed, Big Creek
N Scott Rd
Mason Twp,
Arenac County
Information collected by:
Site Location
GPS Coordinates: 44.133
, -83.89789
T20N
R5E
Sec 17
Owned by Private
Fish Passability 1
Structure is NOT Perched
Total Erosion: 1.3909 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: Pipe Arch
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Mixture
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 32 ft.
, Width 14 ft.
, Height 7.5 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.9 ft.
Embedded Depth of Structure: 0.1 ft.
Water Velocity*: 1.1 ft./sec.
Structure Outlet
Water Depth: 0.8 ft.
Embedded Depth of Structure: 0.4 ft.
Water Velocity*: 1.1 ft./sec.
*Water Velocities were measured at the Surface
(with Float Test)
Stream Information
Stream Flow: Less than 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: 0.7 ft.
Bankfull Width: 13 ft.
Wetted Width: 10.3 ft.
Water Velocity: 0.7 ft./sec.
(Measured with Float Test)
Dominant Substrate: Gravel
Road Information
Gravel
County Road
Road Condition: Good
Road Width at Culvert: 18 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 1.5 ft.
Slope: 1:2
Downstream
Fill Depth: 1.6 ft.
Slope: 1:1.5
Approaches
Left Approach
Length: 550 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.51
Erosion: 1.3909 tons/year
Right Approach
Length: 0 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.26
Erosion: 0 tons/year
Erosion Information
Total Erosion at Crossing: 1.3909 tons/year
Summary Information
Fish Passability 1