Road Stream Crossing Site AUS_PR144
Au Sable River Watershed, Tributary of Sprinkler Lake
Adams Rd
Millen Twp,
Alcona County
Information collected by:
Site Location
GPS Coordinates: 44.608636
, -83.604725
T26N
R07E
Sec 32,33
Owned by Private
Federal
Federal
Fish Passability 0.9
Structure is NOT Perched
Total Erosion: 4.7354 tons/year
Severity: Severe
Year Inventoried: 2013
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