Road Stream Crossing Site CRW_073
Cedar River Watershed, Howland Creek
Monroe Rd
Hamilton Twp,
Clare County
Information collected by:
Site Location
GPS Coordinates: 43.97405
, -84.61625
T18N
R3W
Sec 1
Owned by Private
Fish Passability 0.9
Structure is NOT Perched
Total Erosion: 0.6664 tons/year
Severity: Moderate
Year Inventoried: 2018
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Pipe Arch
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Mixture
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 40 ft.
, Width 7 ft.
, Height 4.9 ft.
Percentage Plugged:
Inlet: 0%
Outlet: 0%
In Pipe: 0%
Percentage Crushed:
Inlet: 0%
Outlet: 0%
In Pipe: 0%
Structure is NOT Perched
Structure Inlet
Water Depth: 0.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0 ft./sec.
Structure Outlet
Water Depth: 0.75 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0 ft./sec.
*Water Velocities were measured at the Surface
(with Meter)
Additional Comments
Lat: 43-58.448; Long: 84-36.975
Stream Information
Stream Flow: None
Scour Pool: Length 23 ft.
, Width 13 ft.
, Depth 2 ft.
Upstream Pond: Length 12 ft.
, Width 18 ft.
, Depth 2 ft.
Riffle Information
Water Depth: 0 ft.
Bankfull Width: 0 ft.
Wetted Width: 0 ft.
Water Velocity: 0 ft./sec.
(Measured with Meter)
Dominant Substrate: Clay
Road Information
Gravel
County Road
Road Condition: Fair
Road Width at Culvert: 28 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 1 ft.
Slope: 1:2
Downstream
Fill Depth: 1 ft.
Slope: 1:2
Approaches
Left Approach
Length: 510 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.1967 tons/year
Right Approach
Length: 1000 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.3857 tons/year
Erosion Information
Total Erosion at Crossing: 0.6664 tons/year
Extent of Erosion: Moderate
Erosion is occurring and corrective actions can be installed to address the problem.
Notes: Runoof at culvert
Location of Erosion | Erosion Dimensions | Eroded Material | Material Eroded | Total Erosion | ||
facing downstream | Length | Width | Depth | Reaching Stream? | (tons/year) | |
Right Upstream Embankment |
6 ft. |
2 ft. |
0.5 ft. |
yes |
Gravel |
0.021 |
Left Upstream Embankment |
6 ft. |
2 ft. |
0.5 ft. |
yes |
Gravel |
0.021 |
Right Downstream Embankment |
6 ft. |
2 ft. |
0.5 ft. |
yes |
Gravel |
0.021 |
Left Downstream Embankment |
6 ft. |
2 ft. |
0.5 ft. |
yes |
Gravel |
0.021 |
Summary Information
Fish Passability 0.9