Road Stream Crossing Site EBIO006
Au Gres River Watershed, Tributary of Smith Creek
M-65
Plainfield Twp,
Iosco County
Information collected by:
Site Location
GPS Coordinates: 44.40409
, -83.80512
T23N
R5E
Sec 10 & 11
Owned by Private
Fish Passability 0
Perch Height: 0.4 ft.
Total Erosion: 0.9671 tons/year
Severity: Severe
Year Inventoried: 2014
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: None
General Conditions: New
Structure Interior: corrugated
Dimensions of Structure: Length 85 ft.
, Width 2.1 ft.
, Height 2.1 ft.
Perch Height: 0.4 ft.
Structure Inlet
Water Depth: 0.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.9 ft./sec.
Structure Outlet
Water Depth: 0.5 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.4 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: 0.6 ft.
Bankfull Width: 18 ft.
Wetted Width: 16 ft.
Water Velocity: 0.7 ft./sec.
(Measured with Meter)
Dominant Substrate: Organics
Road Information
Paved
State Road
Road Condition: Good
Road Width at Culvert: 42 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 2 ft.
Slope: More than 1:2
Downstream
Fill Depth: 4 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 280 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.452
Erosion: 0.1757 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: 0.9671 tons/year
Notes: No apparent erosion.
Summary Information
Fish Passability 0
These non-native species were observerd at this site: Spotted knapweed, Mullein