Road Stream Crossing Site MI-02

Crooked River Watershed, Minnehaha Creek
Pickerel Lake Rd
Springvale Twp, Emmet County
Information collected by:
Tip of the Mitt Watershed Council
Site Location
GPS Coordinates: 45.377239 , -84.828679
T35N R03W Sec 32
Fish Passability 0
Perch Height: 1.5 ft.
Total Erosion: 1.2588 tons/year
Severity: Severe
Year Inventoried: 2016
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 3
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: Freefall into Pool
Structure Material: Metal
Structure Substrate: None
General Conditions: Fair
Multiple Culverts/Spans
Culvert/Span
Width
Length
Height
Material
1
6.4 ft.
62 ft.
4.5 ft.
Metal
2
6.4 ft.
66 ft.
4.5 ft.
Metal
3
6.4 ft.
66 ft.
4.5 ft.
Metal
Structure Interior: corrugated
Dimensions of Structure: Length 66 ft. , Width 6.4 ft. , Height 4.5 ft.
Percentage Crushed: Inlet: 0% Outlet: 0% In Pipe: 1% to 25%
Perch Height: 1.5 ft.
Structure Inlet
Water Depth: 1.05 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 3.3 ft./sec.
Structure Outlet
Water Depth: 0.7 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 4.6 ft./sec.
*Water Velocities were measured 0.5 ft. below Surface (with Meter)
Stream Information
Stream Flow: Less than Bankfull
Upstream Pond: Length 20 ft. , Width 10 ft. , Depth 3 ft.
Riffle Information
Water Depth: 2 ft.
Bankfull Width: 45 ft.
Wetted Width: 40 ft.
Water Velocity: 0.98 ft./sec. (Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved County Road
Road Condition: Fair
Road Width at Culvert: 34 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 4.41 ft.
Slope: 1:1
Downstream
Fill Depth: 5 ft.
Slope: 1:1
Approaches
Left Approach
Length: 500 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.64
Erosion: 0 tons/year
Right Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.8
Erosion: 0 tons/year
Erosion Information
Total Erosion at Crossing: 1.2588 tons/year
Notes: Surveyed with snow cover; difficult to spot erosion
Summary Information
Fish Passability 0
Fish Passage is an area of concern for this site. Perched Culvert and Velocity
A future visit to this site is recommended. Monitor culvert condition and widening / deepening of channel