Road Stream Crossing Site BEAR_BC008

Bear Creek Watershed, First Creek
Litzen Rd
Cleon Twp, Manistee County
Information collected by:
Site Location
GPS Coordinates: 44.47269 , -85.85846
T24N R13W Sec 14
Owned by Private
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 6.785 tons/year
Severity: Severe
Year Inventoried: 2011
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: Good
Structure Interior: corrugated
Dimensions of Structure: Length 30 ft. , Width 2 ft. , Height 2 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.39 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1 ft./sec.
Structure Outlet
Water Depth: 0.43 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 2 ft./sec.
*Water Velocities were measured 0.24 ft. below Surface (with Meter)
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 7.7 ft. , Width 7.3 ft. , Depth 1.16 ft.
Riffle Information
Water Depth: 0.22 ft.
Bankfull Width: 6.5 ft.
Wetted Width: 4.7 ft.
Water Velocity: 1.3 ft./sec. (Measured with Meter)
Dominant Substrate: Gravel
Road Information
Gravel Town Road
Road Condition: Good
Road Width at Culvert: 17 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 2.9 ft.
Slope: 1:1
Downstream
Fill Depth: 3.2 ft.
Slope: 1:1
Approaches
Left Approach
Length: 528 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 1.664
Erosion: 4.1156 tons/year
Right Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 2.6694 tons/year
Erosion Information
Total Erosion at Crossing: 6.785 tons/year
Summary Information
Fish Passability 0.5