Road Stream Crossing Site BL-73

Crooked River Watershed, Berry Creek
Reams
Tuscarora Twp, Cheboygan County
Information collected by:
Tip of the Mitt Watershed Council
Site Location
GPS Coordinates: 45.390802 , -84.711142
T35N R03W Sec 29
Fish Passability 0.9
Total Erosion: 0.5501 tons/year
Severity: Moderate
Year Inventoried: 2014
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 2
Structure Shape: Round
Inlet Type: Headwall
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Silt
General Conditions: Good
Multiple Culverts/Spans
Culvert/Span
Width
Length
Height
Material
1
4 ft.
41 ft.
3.08 ft.
Metal
2
3.33 ft.
41 ft.
4.08 ft.
Metal
Structure Interior: corrugated
Dimensions of Structure: Length 41 ft. , Width 4 ft. , Height 3.08 ft.
Structure Inlet
Water Depth: 2.17 ft.
Embedded Depth of Structure: 0.54 ft.
Water Velocity*: 0.26 ft./sec.
Structure Outlet
Water Depth: 1.583 ft.
Embedded Depth of Structure: 0.75 ft.
Water Velocity*: 0.328 ft./sec.
*Water Velocities were measured 0.25 ft. below Surface (with Meter)
Stream Information
Stream Flow: Bankfull
Scour Pool: Length 3 ft. , Width 4 ft. , Depth 1.67 ft.
Riffle Information
Water Depth: 1.54 ft.
Bankfull Width: 9.67 ft.
Wetted Width: 9.67 ft.
Water Velocity: 1.02 ft./sec. (Measured with Meter)
Dominant Substrate: Silt
Road Information
Gravel County Road
Road Condition: Good
Road Width at Culvert: 31.42 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 5 ft.
Slope: Vertical
Downstream
Fill Depth: 4 ft.
Slope: Vertical
Approaches
Left Approach
Length: 10 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.26
Erosion: 0.0225 tons/year
Right Approach
Length: 20 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.275
Erosion: 0.0476 tons/year
Erosion Information
Total Erosion at Crossing: 0.5501 tons/year
Extent of Erosion: Severe
Notes: Covers entire streambank between inlet culverts
Location of Erosion
Erosion Dimensions
Eroded Material
Material Eroded
Total Erosion
facing downstream
Length
Width
Depth
Reaching Stream?
(tons/year)
Middle Upstream Streambank
5 ft.
12.83 ft.
5 ft.
yes
Sandy Loam
0.48
Summary Information
Fish Passability 0.9
Erosion is an area of concern for this site.