Road Stream Crossing Site LM030

Manistee River Watershed, South Branch Twin Creek
Queen's Highway
Newkirk Twp, Lake County
Information collected by:
Site Location
GPS Coordinates: 44.07022 , -85.70264
T19N R12W Sec 1
Owned by Private
Fish Passability 0.9
Total Erosion: 0.0836 tons/year
Severity: Minor
Year Inventoried: 2019
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.
30 ft.
1.5 ft.
Metal
2
2.5 ft.
30 ft.
2.5 ft.
Metal
Structure Interior: corrugated
Dimensions of Structure: Length 30 ft. , Width 1.5 ft. , Height 1.5 ft.
Structure Inlet
Water Depth: 0.2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.1 ft./sec.
Structure Outlet
Water Depth: 0.6 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.1 ft./sec.
*Water Velocities were measured at the Surface (with Float Test)
Additional Comments
Culvert #1 had no flow. Measurements are from culvert #2.
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 0.4 ft.
Bankfull Width: 4.5 ft.
Wetted Width: 2.5 ft.
Water Velocity: 0.1 ft./sec. (Measured with Float Test)
Dominant Substrate: Organics
Road Information
Paved County Road
Road Condition: Fair
Road Width at Culvert: 18 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 2 ft.
Slope: 1:1.5
Downstream
Fill Depth: 2 ft.
Slope: 1:1.5
Approaches
Left Approach
Length: 300 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.46
Erosion: 0.0821 tons/year
Right Approach
Length: 50 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0015 tons/year
Erosion Information
Total Erosion at Crossing: 0.0836 tons/year
Summary Information
Fish Passability 0.9
These non-native species were observerd at this site: Autumn Olive