Road Stream Crossing Site CLHW_BC-003
Big Creek Watershed, Big Creek
N Hull Rd
Mason Twp,
Arenac County
Information collected by:
Site Location
GPS Coordinates: 44.14781
, -83.90806
T20N
R5E
Sec 8
Owned by Private
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 0 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: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: New
Structure Interior: corrugated
Dimensions of Structure: Length 40 ft.
, Width 8.3 ft.
, Height 8.3 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 1.8 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.5 ft./sec.
Structure Outlet
Water Depth: 1.2 ft.
Embedded Depth of Structure: 0.4 ft.
Water Velocity*: 0.5 ft./sec.
*Water Velocities were measured at the Surface
(with Float Test)
Additional Comments
BIG scour hole
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 80 ft.
, Width 45 ft.
, Depth 7 ft.
Upstream Pond: Length 17 ft.
, Width 15.2 ft.
, Depth 2.3 ft.
Riffle Information
Water Depth: 1.1 ft.
Bankfull Width: 16.5 ft.
Wetted Width: 11.7 ft.
Water Velocity: 0.9 ft./sec.
(Measured with Float Test)
Dominant Substrate: Sand
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 ft.
Slope: More than 1:2
Downstream
Fill Depth: 1.4 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 0 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.26
Erosion: 0 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: 0 tons/year
Summary Information
Fish Passability 0.5