Road Stream Crossing Site BEAR_BC042
Bear Creek Watershed, Tributary of Big Bear Creek
Potter Rd
Maple Grove Twp,
Manistee County
Information collected by:
Site Location
GPS Coordinates: 44.41345
, -86.04323
T23N
R14W
Sec 5
Owned by Private
Fish Passability 1
Structure is NOT Perched
Total Erosion: 0.5914 tons/year
Severity: Minor
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: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Mixture
General Conditions: Poor
Structure Interior: corrugated
Structure is Rusted through
Dimensions of Structure: Length 40 ft.
, Width 3 ft.
, Height 3 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 1.56 ft.
Embedded Depth of Structure: 0.9 ft.
Water Velocity*: 0.05 ft./sec.
Structure Outlet
Water Depth: 0.56 ft.
Embedded Depth of Structure: 1.5 ft.
Water Velocity*: 0.05 ft./sec.
*Water Velocities were measured 0.34 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 0.37 ft.
Bankfull Width: 4 ft.
Wetted Width: 3.2 ft.
Water Velocity: 0.7 ft./sec.
(Measured with Meter)
Dominant Substrate: Gravel
Road Information
Gravel
County Road
Road Condition: Good
Road Width at Culvert: 24 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 3.5 ft.
Slope: 1:1.5
Downstream
Fill Depth: 3.1 ft.
Slope: 1:1
Approaches
Left Approach
Length: 789 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.2608 tons/year
Right Approach
Length: 1000 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.3306 tons/year
Erosion Information
Total Erosion at Crossing: 0.5914 tons/year
Summary Information
Fish Passability 1
These non-native species were observerd at this site: Knapweed and Autumn Olive