Road Stream Crossing Site PM_L066

Pere Marquette River Watershed, Sanborn Creek
Queens Hwy
Cherry Valley Twp, Lake County
Information collected by:
Site Location
GPS Coordinates: 43.913383 , -85.702071
T18N R12W Sec 36
Owned by Private
Total Erosion: 1.4601 tons/year
Severity: Restored
Year Inventoried: 2023
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Open Bottom Square/Rectangle
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.
45 ft.
3 ft.
Metal
2
2 ft.
45 ft.
2 ft.
Metal
Structure Interior: corrugated
Dimensions of Structure: Length 48 ft. , Width 16 ft. , Height 7 ft.
Structure Inlet
Water Depth: 3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.4 ft./sec.
Structure Outlet
Water Depth: 1.1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.1 ft./sec.
*Water Velocities were measured 1 ft. below Surface (with Meter)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Riffle Information
Water Depth: 1 ft.
Bankfull Width: 12 ft.
Wetted Width: 10 ft.
Water Velocity: 0.8 ft./sec. (Measured with Meter)
Dominant Substrate: Sand
Road Information
Gravel County Road
Road Condition: Fair
Road Width at Culvert: 22 ft.
Location of Low Point: Other
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 3 ft.
Slope: 1:1.5
Downstream
Fill Depth: 3 ft.
Slope: 1:1.5
Approaches
Left Approach
Length: 230 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.436
Erosion: 0.6078 tons/year
Right Approach
Length: 200 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.43
Erosion: 0.5212 tons/year
Erosion Information
Total Erosion at Crossing: 1.4601 tons/year
Extent of Erosion: Minor
Location of Erosion
Erosion Dimensions
Eroded Material
Material Eroded
Total Erosion
facing downstream
Length
Width
Depth
Reaching Stream?
(tons/year)
Right Approach
200 ft.
4 ft.
0.1 ft.
yes
Sand
0.154
Summary Information
Fish Passage is an area of concern for this site.