Road Stream Crossing Site BEAR_BC074
Bear Creek Watershed, Tributary of Cedar Creek
Wiltala Rd
Marilla Twp,
Manistee County
Information collected by:
Site Location
GPS Coordinates: 44.38461
, -85.93044
T23N
R13W
Sec 18
Owned by Private
Fish Passability 0.9
Structure is NOT Perched
Total Erosion: 2.0755 tons/year
Severity: Moderate
Year Inventoried: 2011
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: Concrete
Structure Substrate: Mixture
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 35 ft.
, Width 3.3 ft.
, Height 2.3 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.69 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.3 ft./sec.
Structure Outlet
Water Depth: 0.43 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1 ft./sec.
*Water Velocities were measured 0.26 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 0.32 ft.
Bankfull Width: 7.6 ft.
Wetted Width: 5 ft.
Water Velocity: 0.8 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Gravel
County Road
Road Condition: Good
Road Width at Culvert: 17 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 1.8 ft.
Slope: 1:1
Downstream
Fill Depth: 2.3 ft.
Slope: 1:1
Approaches
Left Approach
Length: 729 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.539
Erosion: 1.8414 tons/year
Right Approach
Length: 1000 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.2342 tons/year
Erosion Information
Total Erosion at Crossing: 2.0755 tons/year
Summary Information
Fish Passability 0.9