Road Stream Crossing Site CRW_039

Cedar River Watershed, Snake Creek (Tributary to Middle Branch Cedar River)
Stockwell Rd
Hamilton Twp, Clare County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 44.061083 , -84.632483
T19N R3W Sec 2
Owned by Private
Fish Passability 1
Structure is NOT Perched
Total Erosion: 0.449 tons/year
Severity: Moderate
Year Inventoried: 2018
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
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: Sand
General Conditions: Good
Multiple Culverts/Spans
Culvert/Span
Width
Length
Height
Material
1
1.5 ft.
24 ft.
1.5 ft.
Metal
2
1.5 ft.
24 ft.
1.5 ft.
Metal
Structure Interior: corrugated
Dimensions of Structure: Length 24 ft. , Width 3 ft. , Height 1.5 ft.
Percentage Plugged: Inlet: 0% Outlet: 0% In Pipe: 1% to 25%
Percentage Crushed: Inlet: 0% Outlet: 0% In Pipe: 1% to 25%
Structure is NOT Perched
Structure Inlet
Water Depth: 0.5 ft.
Embedded Depth of Structure: 0.5 ft.
Water Velocity*: 0.4 ft./sec.
Structure Outlet
Water Depth: 0.4 ft.
Embedded Depth of Structure: 0.5 ft.
Water Velocity*: 0.4 ft./sec.
*Water Velocities were measured at the Surface (with Meter)
Additional Comments
Lat: 44-03.665 Long: 84-37.949 300 yds west of site #27
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 0 ft. , Width 0 ft. , Depth 0 ft.
Upstream Pond: Length 0 ft. , Width 0 ft. , Depth 0 ft.
Riffle Information
Water Depth: 0.5 ft.
Bankfull Width: 3 ft.
Wetted Width: 2.5 ft.
Water Velocity: 0.1 ft./sec.
Road Information
Gravel County Road
Road Condition: Good
Road Width at Culvert: 13 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 2 ft.
Slope: Vertical
Downstream
Fill Depth: 1.5 ft.
Slope: Vertical
Approaches
Left Approach
Length: 240 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.512
Erosion: 0.4401 tons/year
Right Approach
Length: 50 ft.
Slope: Less Than 1%
Vegetation: Partial
LS Factor: 0.05
Erosion: 0.009 tons/year
Erosion Information
Total Erosion at Crossing: 0.449 tons/year
Extent of Erosion: Severe
Notes: Erosion from road both directions. Site is subject to overflow in spring. This is a minor site
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.
2 ft.
no
Right Downtream Ditch
10 ft.
3 ft.
no
Left Upstream Ditch
50 ft.
2 ft.
no
Right Upstream Ditch
50 ft.
2 ft.
no
Summary Information
Fish Passability 1
Erosion is an area of concern for this site. Site is subject to overflow, little impact on Middle Branch
A future visit to this site is recommended. Coreect Overflow issue