Road Stream Crossing Site AUS_OS072

Au Sable River Watershed, Red Creek
Deeter Rd (489)
Big Creek Twp, Oscoda County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 44.65552 , -84.27138
T26N R01E Sec 11
Owned by Private
Federal
Fish Passability 0
Perch Height: 0.5 ft.
Total Erosion: 2.8582 tons/year
Severity: Severe
Year Inventoried: 2013
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: Apron
Outlet Type: Outlet Apron
Structure Material: Metal
Structure Substrate: None
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 70 ft. , Width 4 ft. , Height 4 ft.
Perch Height: 0.5 ft.
Structure Inlet
Water Depth: 0.5 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.299 ft./sec.
Structure Outlet
Water Depth: 0.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.765 ft./sec.
*Water Velocities were measured at the Surface (with Float Test)
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 14 ft. , Width 17.8 ft. , Depth 2 ft.
Riffle Information
Water Depth: 0.3 ft.
Bankfull Width: 15.9 ft.
Wetted Width: 12 ft.
Water Velocity: 1.042 ft./sec. (Measured with Float Test)
Dominant Substrate: Gravel
Road Information
Paved County Road
Road Condition: Good
Road Width at Culvert: 33 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 5 ft.
Slope: More than 1:2
Downstream
Fill Depth: 5 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 1000 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 2.05
Erosion: 2.2364 tons/year
Right Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.6218 tons/year
Erosion Information
Total Erosion at Crossing: 2.8582 tons/year
Extent of Erosion: Minor
Notes: Minor gravel erosion over culver
Summary Information
Fish Passability 0
Fish Passage is an area of concern for this site. Outlet is perched and culvert has no embeded substrate. Both create fish passage difficulties.
A future visit to this site is recommended. To realign culvert
These non-native species were observerd at this site: Bladder Campion, Mullein, Spotted Knapweed, St. Johnswort, Queen Anne's Lace, Ox-Eye Daisy, Narrow-Leaved Cattail

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