Road Stream Crossing Site MAN_MI_004
Big Manistee River Watershed, Hopkins Creek
M-66
Caldwell Twp,
Missaukee County
Information collected by:
Site Location
GPS Coordinates: 44.39003
, -85.21713
T23N
R8W
Sec 13
Owned by State
Structure is NOT Perched
Total Erosion: 0.7914 tons/year
Severity: Minor
Year Inventoried: 2014
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Invasive Species
Invasive Species
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Round
Inlet Type: Apron
Outlet Type: Outlet Apron
Structure Material: Metal
Structure Substrate: Mixture
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 290 ft.
, Width 5.2 ft.
, Height 5.2 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 3.2 ft.
Embedded Depth of Structure: 0.1 ft.
Water Velocity*: 0.3 ft./sec.
Structure Outlet
Water Depth: 3.8 ft.
Embedded Depth of Structure: 0.8 ft.
Water Velocity*: 0.1 ft./sec.
*Water Velocities were measured 0.6 ft. below Surface
(with Meter)
Stream Information
Stream Flow: 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: 2.5 ft.
Bankfull Width: 10 ft.
Wetted Width: 6 ft.
Water Velocity: 0.3 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved
State Road
Road Condition: Good
Road Width at Culvert: 42 ft.
Location of Low Point: Other
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 18 ft.
Slope: More than 1:2
Downstream
Fill Depth: 18 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 0 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0 tons/year
Right Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.7914 tons/year
Erosion Information
Total Erosion at Crossing: 0.7914 tons/year
Extent of Erosion: Moderate
Summary Information
Erosion is an area of concern for this site.
These non-native species were observerd at this site: Thistle and purple loostrife