Road Stream Crossing Site EBIO063

Au Gres River Watershed, Hale Creek
Towerline Rd
Plainfield Twp, Iosco County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 44.3498 , -83.7846
T23N R5E Sec 25 & 26
Owned by Private
Fish Passability 1
Structure is NOT Perched
Total Erosion: 7.8201 tons/year
Severity: Severe
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: Square/Rectangle
Inlet Type: Other
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Sand
General Conditions: Good
Structure Interior: smooth
Dimensions of Structure: Length 20 ft. , Width 19 ft. , Height 6.4 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 1.6 ft.
Embedded Depth of Structure: 0.4 ft.
Water Velocity*: 1.3 ft./sec.
Structure Outlet
Water Depth: 1.2 ft.
Embedded Depth of Structure: 0.7 ft.
Water Velocity*: 1.5 ft./sec.
*Water Velocities were measured 0.5 ft. below Surface (with Meter)
Stream Information
Stream Flow: Less than 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: 1.2 ft.
Bankfull Width: 26.9 ft.
Wetted Width: 21 ft.
Water Velocity: 1 ft./sec. (Measured with Meter)
Dominant Substrate: Sand
Road Information
Gravel County Road
Road Condition: Good
Road Width at Culvert: 19 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Fill Depth: 0 ft.
Slope: Vertical
Fill Depth: 0 ft.
Slope: Vertical
Approaches
Left Approach
Length: 660 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 1.791
Erosion: 6.1871 tons/year
Right Approach
Length: 600 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.52
Erosion: 1.6331 tons/year
Erosion Information
Total Erosion at Crossing: 7.8201 tons/year
Notes: None.
Summary Information
Fish Passability 1
These non-native species were observerd at this site: Spotted Knapweed, Common Tansy