Road Stream Crossing Site EBIO031
Au Gres River Watershed, Addy Drain
Mill Station Rd
Plainfield Twp,
Iosco County
Information collected by:
Site Location
GPS Coordinates: 44.375056
, -83.865222
T23N
R5E
Sec 19 & 20
Owned by Private
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 3.3913 tons/year
Severity: Severe
Year Inventoried: 2014
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 55 ft.
, Width 1.6 ft.
, Height 1.6 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.7 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.6 ft./sec.
Structure Outlet
Water Depth: 1.1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.7 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: 0.9 ft.
Bankfull Width: 15 ft.
Wetted Width: 8 ft.
Water Velocity: 1.6 ft./sec.
(Measured with Meter)
Dominant Substrate: Organics
Road Information
Gravel
County Road
Road Condition: Good
Road Width at Culvert: 29 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 2.6 ft.
Slope: More than 1:2
Downstream
Fill Depth: 2.7 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 700 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.535
Erosion: 2.9919 tons/year
Right Approach
Length: 1000 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.3994 tons/year
Erosion Information
Total Erosion at Crossing: 3.3913 tons/year
Notes: No apparent erosion.
Summary Information
Fish Passability 0.5
These non-native species were observerd at this site: Autumn Olive, Spotted Knapweed, Mullien