Road Stream Crossing Site EBIO043
Au Gres River Watershed, Tributary of Smith Creek
Towerline Rd
Plainfield Twp,
Iosco County
Information collected by:
Site Location
GPS Coordinates: 44.4253
, -83.78482
T24N
R5E
Sec 35 & 36
Owned by Private
Fish Passability 0.9
Structure is NOT Perched
Total Erosion: 1.7365 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: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Gravel
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 30 ft.
, Width 2.5 ft.
, Height 2.5 ft.
Percentage Plugged:
Inlet: 1% to 25%
Structure is NOT Perched
Structure Inlet
Water Depth: 1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0 ft./sec.
Structure Outlet
Water Depth: 1.3 ft.
Embedded Depth of Structure: 0.3 ft.
Water Velocity*: 0 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: 11 ft.
Wetted Width: 9 ft.
Water Velocity: 0.1 ft./sec.
(Measured with Meter)
Dominant Substrate: Gravel
Road Information
Gravel
County Road
Road Condition: Good
Road Width at Culvert: 25 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 3.7 ft.
Slope: 1:1.5
Downstream
Fill Depth: 3 ft.
Slope: 1:1.5
Approaches
Left Approach
Length: 237 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.437
Erosion: 0.7139 tons/year
Right Approach
Length: 320 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.464
Erosion: 1.0226 tons/year
Erosion Information
Total Erosion at Crossing: 1.7365 tons/year
Notes: None, except road gravel likely being plowed into stream channel.
Summary Information
Fish Passability 0.9
These non-native species were observerd at this site: Autumn olive