Road Stream Crossing Site BEAR_BC102
Bear Creek Watershed, Little Bear Creek
US-31
Pleasanton Twp,
Manistee County
Information collected by:
Site Location
GPS Coordinates: 44.43994
, -86.12579
T24N
R15W
Sec 33
Owned by Private
Structure is NOT Perched
Total Erosion: 0.8813 tons/year
Severity: Moderate
Year Inventoried: 2011
Inlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Open Bottom Square/Rectangle
Inlet Type: Wingwall 30-70 Degree
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Sand
General Conditions: Fair
Structure Interior: smooth
Dimensions of Structure: Length 45 ft.
, Width 16 ft.
, Height 3.5 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.7 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.05 ft./sec.
Structure Outlet
Water Depth: 0.14 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.7 ft./sec.
*Water Velocities were measured at the Surface
(with Meter)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Riffle Information
Water Depth: 0.09 ft.
Bankfull Width: 5.9 ft.
Wetted Width: 1.9 ft.
Water Velocity: 0.6 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved
Federal Road
Road Condition: Good
Road Width at Culvert: 43 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Fill Depth: 0 ft.
Slope: 1:1
Fill Depth: 0 ft.
Slope: 1:1
Approaches
Left Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.8102 tons/year
Right Approach
Length: 1000 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0711 tons/year
Erosion Information
Total Erosion at Crossing: 0.8813 tons/year
Extent of Erosion: Moderate
Summary Information
Erosion is an area of concern for this site.