Road Stream Crossing Site BL-83

Crooked River Watershed, Unnamed tributary to Crooked River
Snider
Maple River Twp, Emmet County
Information collected by:
Tip of the Mitt Watershed Council
Site Location
GPS Coordinates: 45.47314 , -84.750735
T36N R03W Sec 36
Fish Passability 0
Total Erosion: 0.252 tons/year
Severity: Severe
Year Inventoried: 2014
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 2
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: Poor
Multiple Culverts/Spans
Culvert/Span
Width
Length
Height
Material
1
2.5 ft.
39.83 ft.
2.33 ft.
Metal
2
2.5 ft.
39.83 ft.
2.33 ft.
Metal
Structure Interior: corrugated
Structure is Rusted through
Dimensions of Structure: Length 39.83 ft. , Width 2.5 ft. , Height 2.33 ft.
Percentage Crushed: Inlet: 5% Outlet: 0% In Pipe: 0%
Structure Inlet
Water Depth: 0.417 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 3.6 ft./sec.
Structure Outlet
Water Depth: 0.5 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.64 ft./sec.
*Water Velocities were measured 0.08 ft. below Surface (with Meter)
Additional Comments
(old CRA site CRR-E-3)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 8 ft. , Width 8 ft. , Depth 2.33 ft.
Riffle Information
Water Depth: 0.917 ft.
Bankfull Width: 4 ft.
Wetted Width: 3.83 ft.
Water Velocity: 0.72 ft./sec. (Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved County Road
Road Condition: Good
Road Width at Culvert: 23.83 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 1.5 ft.
Slope: Less than 1:2
Downstream
Fill Depth: 1.5 ft.
Slope: Less than 1:2
Approaches
Left Approach
Length: 0 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0 tons/year
Right Approach
Length: 0 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0 tons/year
Erosion Information
Total Erosion at Crossing: 0.252 tons/year
Extent of Erosion: Moderate
Location of Erosion
Erosion Dimensions
Eroded Material
Material Eroded
Total Erosion
facing downstream
Length
Width
Depth
Reaching Stream?
(tons/year)
Left Downstream Streambank
4 ft.
2.67 ft.
3 ft.
yes
Gravelly Loam
0.084
Middle Downstream Streambank
4 ft.
2 ft.
3 ft.
yes
Gravelly Loam
0.084
Right Downstream Streambank
4 ft.
2 ft.
3 ft.
yes
Gravelly Loam
0.084
Summary Information
Fish Passability 0
A future visit to this site is recommended. Because outflow was going in two different directions, I was not sure how to take discharge measurements