Road Stream Crossing Site AUS_AL028
Au Sable River Watershed, West Branch Pine River
Stout Rd
Millen Twp,
Alcona County
Information collected by:
Site Location
GPS Coordinates: 44.638906
, -83.625129
T26N
R07E
Sec 19,20
Owned by Private
Federal
Federal
Fish Passability 0.9
Structure is NOT Perched
Total Erosion: 0.8291 tons/year
Severity: Moderate
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: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Sand
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 50 ft.
, Width 4 ft.
, Height 4 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 1.9 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.3 ft./sec.
Structure Outlet
Water Depth: 1.7 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.4 ft./sec.
*Water Velocities were measured at the Surface
(with Meter)
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Upstream Pond: Length 27 ft.
, Width 18 ft.
, Depth 1.9 ft.
Riffle Information
Water Depth: 0.6 ft.
Bankfull Width: 12 ft.
Wetted Width: 17 ft.
Water Velocity: 0.6 ft./sec.
(Measured with Meter)
Dominant Substrate: Gravel
Road Information
Paved
County Road
Road Condition: Good
Road Width at Culvert: 22 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 3.6 ft.
Slope: More than 1:2
Downstream
Fill Depth: 1.5 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.4145 tons/year
Right Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.4145 tons/year
Erosion Information
Total Erosion at Crossing: 0.8291 tons/year
Summary Information
Fish Passability 0.9