Road Stream Crossing Site LM067
Manistee River Watershed, Cool Creek
N Hamilton Rd
Elk Twp,
Lake County
Information collected by:
Site Location
GPS Coordinates: 44.161359
, -86.0017
T20N
R14W
Sec 4
Owned by Federal
Fish Passability 0
Total Erosion: 2.7548 tons/year
Severity: Severe
Year Inventoried: 2019
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Downstream Conditions
.JPG)
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: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: Good
Multiple Culverts/Spans | ||||
Culvert/Span | Width | Length | Height | Material |
1 |
3 ft. |
40 ft. |
3 ft. |
Metal |
2 |
3 ft. |
40 ft. |
3 ft. |
Metal |
3 |
3 ft. |
40 ft. |
3 ft. |
Metal |
Structure Interior: corrugated
Dimensions of Structure: Length 40 ft.
, Width 3 ft.
, Height 3 ft.
Structure Inlet
Water Depth: 1.2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 3.5 ft./sec.
Structure Outlet
Water Depth: 1.6 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 2.1 ft./sec.
*Water Velocities were measured 1 ft. below Surface
(with Meter)
Additional Comments
Additional notes due to extreme flooding; values from culvert 2
Stream Information
Stream Flow: Bankfull
Riffle Information
Water Depth: 0.7 ft.
Bankfull Width: 28 ft.
Wetted Width: 28 ft.
Water Velocity: 1.6 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Sand
County Road
Road Condition: Good
Road Width at Culvert: 20 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 3 ft.
Slope: 1:1.5
Downstream
Fill Depth: 3 ft.
Slope: 1:1.5
Approaches
Left Approach
Length: 500 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.5
Erosion: 1.3774 tons/year
Right Approach
Length: 500 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.5
Erosion: 1.3774 tons/year
Erosion Information
Total Erosion at Crossing: 2.7548 tons/year
Summary Information
Fish Passability 0
A future visit to this site is recommended. Only if the beaver dam becomes an obstruction; currently water flows fine
These non-native species were observerd at this site: Autumn Olive