Road Stream Crossing Site BEAR_BC070
Bear Creek Watershed, Beaver Creek
Niemi Rd
Maple Grove Twp,
Manistee County
Information collected by:
Site Location
GPS Coordinates: 44.39972
, -85.97009
T23N
R14W
Sec 11
Owned by Private
Structure is NOT Perched
Total Erosion: 0.6336 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: 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 60 ft.
, Width 6.8 ft.
, Height 4 ft.
Percentage Crushed:
Inlet: 0%
Outlet: 0%
In Pipe: 1% to 25%
Structure is NOT Perched
Structure Inlet
Water Depth: 1.32 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.2 ft./sec.
Structure Outlet
Water Depth: 0.55 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.1 ft./sec.
*Water Velocities were measured 0.33 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than Bankfull
Upstream Pond: Length 4 ft.
, Width 6 ft.
, Depth 1.32 ft.
Riffle Information
Water Depth: 0.3 ft.
Bankfull Width: 9.9 ft.
Wetted Width: 6.7 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: 23 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 2.8 ft.
Slope: 1:2
Downstream
Fill Depth: 1.5 ft.
Slope: 1:2
Approaches
Left Approach
Length: 1000 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.3168 tons/year
Right Approach
Length: 1000 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.3168 tons/year
Erosion Information
Total Erosion at Crossing: 0.6336 tons/year
Extent of Erosion: Moderate
Summary Information
Erosion is an area of concern for this site.