Road Stream Crossing Site CLHW_BC-007
Big Creek Watershed, Big Creek
Main Street Rd
Mason Twp,
Arenac County
Information collected by:
Site Location
GPS Coordinates: 44.11293
, -83.90511
T20N
R5E
Sec 20
Owned by Private
Fish Passability 1
Structure is NOT Perched
Total Erosion: 0.4334 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: Sand
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 61 ft.
, Width 13 ft.
, Height 7 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.2 ft./sec.
Structure Outlet
Water Depth: 1.1 ft.
Embedded Depth of Structure: 1 ft.
Water Velocity*: 1.2 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: 1.3 ft.
Bankfull Width: 13 ft.
Wetted Width: 11.3 ft.
Water Velocity: 1.7 ft./sec.
(Measured with Float Test)
Dominant Substrate: Sand
Road Information
Paved
County Road
Road Condition: Fair
Road Width at Culvert: 23 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 0.3 ft.
Slope: More than 1:2
Downstream
Fill Depth: 1 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.4334 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: 0.4334 tons/year
Erosion is occurring and corrective actions can be installed to address the problem.
Summary Information
Fish Passability 1