Road Stream Crossing Site LTB-203

Little Traverse Bay Watershed, Schoofs Creek
Cemetary Rd
Bear Creek Twp, Emmet County
Information collected by:
Tip of the Mitt Watershed Council
Site Location
GPS Coordinates: 45.33803142 , -84.97563083
Fish Passability 0.5
Total Erosion: 3.4534 tons/year
Severity: Severe
Year Inventoried: 2014
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: Sand
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 87 ft. , Width 2 ft. , Height 2 ft.
Percentage Plugged: Outlet: 1% to 25%
Structure Inlet
Water Depth: 0.02 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.1 ft./sec.
Structure Outlet
Water Depth: 0.04 ft.
Embedded Depth of Structure: 0.5 ft.
Water Velocity*: 0.1 ft./sec.
*Water Velocities were measured 0.1 ft. below Surface (with Meter)
Additional Comments
200 feet south of Intertown Rd. Old site ID: SC-9.
Stream Information
Stream Flow: Less than 1/2 Bankfull
Riffle Information
Water Depth: 0.1 ft.
Bankfull Width: 6.5 ft.
Wetted Width: 1.83 ft.
(Measured with Meter)
Dominant Substrate: Gravel
Road Information
Gravel County Road
Road Condition: Good
Road Width at Culvert: 23 ft.
Embankments
Upstream
Fill Depth: 25 ft.
Slope: 1:1.5
Downstream
Fill Depth: 25 ft.
Slope: Vertical
Approaches
Left Approach
Length: 200 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 1.23
Erosion: 1.5587 tons/year
Right Approach
Length: 200 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 1.23
Erosion: 1.5587 tons/year
Erosion Information
Total Erosion at Crossing: 3.4534 tons/year
Extent of Erosion: Moderate
Erosion is occurring and corrective actions can be installed to address the problem.
Notes: Very steep bank eroding, shaded, so may be difficult to stabilize.
Location of Erosion
Erosion Dimensions
Eroded Material
Material Eroded
Total Erosion
facing downstream
Length
Width
Depth
Reaching Stream?
(tons/year)
Left Downstream Ditch
50 ft.
40 ft.
0.5 ft.
yes
Sandy Loam
0.168
Right Downtream Ditch
50 ft.
40 ft.
0.5 ft.
yes
Sandy Loam
0.168
Summary Information
Fish Passability 0.5
A future visit to this site is recommended. check erosion.