Road Stream Crossing Site AUS_PR144

Au Sable River Watershed, Tributary of Sprinkler Lake
Adams Rd
Millen Twp, Alcona County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 44.608636 , -83.604725
T26N R07E Sec 32,33
Owned by Private
Federal
Fish Passability 0.9
Structure is NOT Perched
Total Erosion: 4.7354 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: Plastic
Structure Substrate: Sand
General Conditions: New
Structure Interior: corrugated
Dimensions of Structure: Length 60 ft. , Width 4 ft. , Height 4 ft.
Percentage Plugged: Inlet: 0% Outlet: 1% to 25% In Pipe: 1% to 25%
Structure is NOT Perched
Structure Inlet
Water Depth: 1.1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.6 ft./sec.
Structure Outlet
Water Depth: 0.7 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.4 ft./sec.
*Water Velocities were measured at the Surface (with Meter)
Additional Comments
New Culvert
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 20 ft. , Width 13 ft. , Depth 1 ft.
Upstream Pond: Length 0 ft. , Width 0 ft. , Depth 0 ft.
Riffle Information
Water Depth: 0.2 ft.
Bankfull Width: 7 ft.
Wetted Width: 13 ft.
Water Velocity: 0.9 ft./sec. (Measured with Meter)
Dominant Substrate: Gravel
Road Information
Gravel County Road
Road Condition: Good
Road Width at Culvert: 26 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 2.4 ft.
Slope: More than 1:2
Downstream
Fill Depth: 3.4 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 660 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.529
Erosion: 2.5007 tons/year
Right Approach
Length: 600 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.52
Erosion: 2.2347 tons/year
Erosion Information
Total Erosion at Crossing: 4.7354 tons/year
Notes: Erosion site is where cattle are going to the stream to drink from it.
Location of Erosion
Erosion Dimensions
Eroded Material
Material Eroded
Total Erosion
facing downstream
Length
Width
Depth
Reaching Stream?
(tons/year)
Right Downstream Streambank
10 ft.
10 ft.
0 ft.
yes
Sand
Summary Information
Fish Passability 0.9