Road Stream Crossing Site AGIO052
Au Gres River Watershed, Elm Creek
Alabaster Rd
Sherman Twp,
Iosco County
Information collected by:
Site Location
GPS Coordinates: 44.20552
, -83.70401
T21N
R6E
Sec 16 & 21
Owned by Private
Structure is NOT Perched
Total Erosion: 0 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: Square/Rectangle
Inlet Type: Headwall
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Sand
General Conditions: Good
Structure Interior: smooth
Dimensions of Structure: Length 32 ft.
, Width 14 ft.
, Height 7 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 1.1 ft.
Embedded Depth of Structure: 0.2 ft.
Water Velocity*: 0.6 ft./sec.
Structure Outlet
Water Depth: 0.9 ft.
Embedded Depth of Structure: 0.3 ft.
Water Velocity*: 0.2 ft./sec.
*Water Velocities were measured at the Surface
(with Float Test)
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: 1 ft.
Bankfull Width: 42 ft.
Wetted Width: 9.8 ft.
Water Velocity: 1.9 ft./sec.
(Measured with Float Test)
Dominant Substrate: Sand
Road Information
Paved
County Road
Road Condition: Good
Road Width at Culvert: 28 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 1.8 ft.
Slope: Vertical
Downstream
Fill Depth: 2.2 ft.
Slope: Vertical
Approaches
Left Approach
Length: 0 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.26
Erosion: 0 tons/year
Right Approach
Length: 0 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.26
Erosion: 0 tons/year
Erosion Information
Total Erosion at Crossing: 0 tons/year
Extent of Erosion: Moderate
Notes:
None
Summary Information
Erosion is an area of concern for this site.
No, no major problems observed.
These non-native species were observerd at this site: Spotted Knapweed