Road Stream Crossing Site EBIO011
Au Gres River Watershed, Tributary of Smith Creek
M-65
Plainfield Twp,
Iosco County
Information collected by:
Site Location
GPS Coordinates: 44.42667
, -83.80477
T24N
R5E
Sec 34 & 35
Owned by Private
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 1.2026 tons/year
Severity: Moderate
Year Inventoried: 2014
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: Round
Inlet Type: Headwall
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Sand
General Conditions: Good
Structure Interior: smooth
Dimensions of Structure: Length 100 ft.
, Width 3.6 ft.
, Height 3.7 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 1.1 ft.
Embedded Depth of Structure: 0.3 ft.
Water Velocity*: 2.2 ft./sec.
Structure Outlet
Water Depth: 0.8 ft.
Embedded Depth of Structure: 1.5 ft.
Water Velocity*: 1.2 ft./sec.
*Water Velocities were measured 0.5 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than 1/2 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: 9 ft.
Wetted Width: 4.4 ft.
Water Velocity: 1.8 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved
State Road
Road Condition: Good
Road Width at Culvert: 38 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 9 ft.
Slope: More than 1:2
Downstream
Fill Depth: 9.5 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 720 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.538
Erosion: 0.4866 tons/year
Right Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.716 tons/year
Erosion Information
Total Erosion at Crossing: 1.2026 tons/year
Notes: No erosion apparent.
Summary Information
Fish Passability 0.5