Road Stream Crossing Site BL-98

Crooked River Watershed, McPhee Creek
Edds Rd
Littlefield Twp, Emmet County
Information collected by:
Tip of the Mitt Watershed Council
Site Location
GPS Coordinates: 45.450047 , -84.809216
T35N R03W Sec 4
Fish Passability 0
Perch Height: 0.33 ft.
Total Erosion: 1.8545 tons/year
Severity: Severe
Year Inventoried: 2014
Inlet
Outlet
Downstream Conditions
Upstream 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
2 ft.
32 ft.
2 ft.
Metal
2
2 ft.
32 ft.
2 ft.
Metal
3
2 ft.
32 ft.
2 ft.
Metal
Structure Interior: corrugated
Dimensions of Structure: Length 32 ft. , Width 2 ft. , Height 2 ft.
Percentage Plugged: Inlet: 26% to 50%
Perch Height: 0.33 ft.
Structure Inlet
Water Depth: 0.83 ft.
Embedded Depth of Structure: 0.06 ft.
Water Velocity*: 3.8 ft./sec.
Structure Outlet
Water Depth: 0.42 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 5.3 ft./sec.
*Water Velocities were measured 0.2 ft. below Surface (with Meter)
Additional Comments
PVT yard upstream
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 0.28 ft.
Bankfull Width: 10 ft.
Wetted Width: 7.25 ft.
Water Velocity: 1.5 ft./sec. (Measured with Meter)
Road Information
Gravel County Road
Road Condition: Fair
Road Width at Culvert: 24 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 3 ft.
Slope: Vertical
Downstream
Fill Depth: 2.5 ft.
Slope: Vertical
Approaches
Left Approach
Length: 450 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.49
Erosion: 1.4579 tons/year
Right Approach
Length: 150 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.4
Erosion: 0.3967 tons/year
Erosion Information
Total Erosion at Crossing: 1.8545 tons/year
Extent of Erosion: Moderate
Erosion is occurring and corrective actions can be installed to address the problem.
Location of Erosion
Erosion Dimensions
Eroded Material
Material Eroded
Total Erosion
facing downstream
Length
Width
Depth
Reaching Stream?
(tons/year)
Left Downstream Streambank
2 ft.
0.25 ft.
yes
Sand
Summary Information
Fish Passability 0
A future visit to this site is recommended. Unstable retaining headwall and plugged inlets