Road Stream Crossing Site AUS_OS113

Au Sable River Watershed, Honeywell Creek
Galbraith Rd
Elmer Twp, Oscoda County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 44.6913 , -84.17094
T27N R02E Sec 34,35
Owned by Private
Fish Passability 0.9
Structure is NOT Perched
Total Erosion: 22.0217 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: At Stream Grade
Structure Material: Metal
Structure Substrate: Sand
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 83 ft. , Width 6 ft. , Height 6 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.75 ft.
Embedded Depth of Structure: 0.5 ft.
Water Velocity*: 0.3 ft./sec.
Structure Outlet
Water Depth: 0.75 ft.
Embedded Depth of Structure: 0.1 ft.
Water Velocity*: 0.4 ft./sec.
*Water Velocities were measured at the Surface (with Float Test)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 36 ft. , Width 15 ft. , Depth 36 ft.
Upstream Pond: Length 0 ft. , Width 0 ft. , Depth 0 ft.
Riffle Information
Water Depth: 0.4 ft.
Bankfull Width: 18 ft.
Wetted Width: 8 ft.
Water Velocity: 0.5 ft./sec. (Measured with Float Test)
Dominant Substrate: Gravel
Road Information
Gravel County Road
Road Condition: Good
Road Width at Culvert: 29 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 3 ft.
Slope: More than 1:2
Downstream
Fill Depth: 3 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 730 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 1.851
Erosion: 10.792 tons/year
Right Approach
Length: 752 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 1.869
Erosion: 11.2296 tons/year
Erosion Information
Total Erosion at Crossing: 22.0217 tons/year
Summary Information
Fish Passability 0.9
These non-native species were observerd at this site: Spotted Knapweed

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