Road Stream Crossing Site BEAR_BC107
Bear Creek Watershed, Little Beaver Creek
Anderson Rd
Bear Lake Twp,
Manistee County
Information collected by:
Site Location
GPS Coordinates: 44.3721
, -86.12135
T23N
R15W
Sec 28
Owned by Private
Structure is NOT Perched
Total Erosion: 14.2538 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: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: Fair
Structure Interior: corrugated
Structure is Rusted through
Dimensions of Structure: Length 80 ft.
, Width 3.5 ft.
, Height 3.5 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.16 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.7 ft./sec.
Structure Outlet
Water Depth: 0.26 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 Bankfull
Riffle Information
Water Depth: 0.3 ft.
Bankfull Width: 9 ft.
Wetted Width: 5 ft.
Water Velocity: 1.6 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Gravel
County Road
Road Condition: Good
Road Width at Culvert: 25 ft.
Location of Low Point: Other
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 3 ft.
Slope: More than 1:2
Downstream
Fill Depth: 2.7 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 280 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.1353 tons/year
Right Approach
Length: 0 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 2.05
Erosion: 14.1185 tons/year
Erosion Information
Total Erosion at Crossing: 14.2538 tons/year
Extent of Erosion: Minor
Summary Information
Erosion is an area of concern for this site.
These non-native species were observerd at this site: knapweed