Road Stream Crossing Site AGIO032
Au Gres River Watershed, Elm Creek
Whittemore Rd
Sherman Twp,
Iosco County
Information collected by:
Site Location
GPS Coordinates: 44.23389
, -83.74326
T21N
R6E
Sec 6 & 7
Owned by Private
Fish Passability 0.9
Structure is NOT Perched
Total Erosion: 0.4744 tons/year
Severity: Minor
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: Pipe Arch
Inlet Type: Wingwall 30-70 Degree
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Sand
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 48 ft.
, Width 10.6 ft.
, Height 6.8 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 3 ft.
Embedded Depth of Structure: 0.6 ft.
Water Velocity*: 0.1 ft./sec.
Structure Outlet
Water Depth: 3 ft.
Embedded Depth of Structure: 0.4 ft.
Water Velocity*: 0.1 ft./sec.
*Water Velocities were measured 0.5 ft. below Surface
(with Meter)
Additional Comments
Water backed up - likely from downstream beaver dam.
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 ft.
Bankfull Width: 0 ft.
Wetted Width: 0 ft.
Water Velocity: 0 ft./sec.
Road Information
Paved
County Road
Road Width at Culvert: 29 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 1.2 ft.
Slope: More than 1:2
Downstream
Fill Depth: 0.9 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 540 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.508
Erosion: 0.263 tons/year
Right Approach
Length: 450 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.49
Erosion: 0.2114 tons/year
Erosion Information
Total Erosion at Crossing: 0.4744 tons/year
Notes: None.
Summary Information
Fish Passability 0.9
These non-native species were observerd at this site: Spotted Knapweed, Autumn Olive