Road Stream Crossing Site MAN_MI_016

Big Manistee River Watershed, Hopkins Creek
Missaukee Hills Dr
Caldwell Twp, Missaukee County
Information collected by:
Site Location
GPS Coordinates: 44.40528 , -85.21765
T23N R8W Sec 12
Owned by Private
Structure is NOT Perched
Total Erosion: 0.0645 tons/year
Severity: Moderate
Year Inventoried: 2014
Site ID
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: Pipe Arch
Inlet Type: Apron
Outlet Type: Outlet Apron
Structure Material: Metal
Structure Substrate: None
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 90 ft. , Width 5.8 ft. , Height 3.7 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 2 ft./sec.
Structure Outlet
Water Depth: 1.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.8 ft./sec.
*Water Velocities were measured 0.5 ft. below Surface (with Meter)
Additional Comments

Timber Wolf Camp property.

Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 21 ft. , Width 16 ft. , Depth 1.7 ft.
Upstream Pond: Length 0 ft. , Width 0 ft. , Depth 0 ft.
Riffle Information
Water Depth: 1.1 ft.
Bankfull Width: 9 ft.
Wetted Width: 7 ft.
Water Velocity: 1.4 ft./sec. (Measured with Meter)
Dominant Substrate: Gravel
Road Information
Paved Private Road
Road Condition: Good
Road Width at Culvert: 25 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 5.2 ft.
Slope: More than 1:2
Downstream
Fill Depth: 5.5 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 110 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.4
Erosion: 0.0364 tons/year
Right Approach
Length: 90 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.378
Erosion: 0.0281 tons/year
Erosion Information
Total Erosion at Crossing: 0.0645 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: Bull Thistle