Road Stream Crossing Site BEAR_BC087
Bear Creek Watershed, Tributary of Cedar Creek
Old Railroad North off Johnson Rd
Maple Grove Twp,
Manistee County
Information collected by:
Site Location
GPS Coordinates: 44.34863
, -86.01569
T23N
R14W
Sec 33
Owned by Private
Structure is NOT Perched
Total Erosion: 0.2479 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: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 40 ft.
, Width 2 ft.
, Height 2 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.16 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.6 ft./sec.
Structure Outlet
Water Depth: 0.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.05 ft./sec.
*Water Velocities were measured at the Surface
(with Meter)
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 10 ft.
, Width 8 ft.
, Depth 1.5 ft.
Riffle Information
Water Depth: 0.2 ft.
Bankfull Width: 4 ft.
Wetted Width: 2.5 ft.
Water Velocity: 0.5 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Gravel
County Road
(Seasonal)
Road Condition: Fair
Road Width at Culvert: 9 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 6 ft.
Slope: Vertical
Downstream
Fill Depth: 7 ft.
Slope: 1:1
Approaches
Left Approach
Length: 1000 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.124 tons/year
Right Approach
Length: 1000 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.124 tons/year
Erosion Information
Total Erosion at Crossing: 0.2479 tons/year
Extent of Erosion: Minor
Notes:
Scour pool
Summary Information
Erosion is an area of concern for this site.