Road Stream Crossing Site AUS_PR141
Au Sable River Watershed, Tributary of Gimlet Creek
Procunier Rd
Millen Twp,
Alcona County
Information collected by:
Site Location
GPS Coordinates: 44.61199
, -83.53053
T26N
R07E
Sec 25,36
Owned by Private
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 2.3163 tons/year
Severity: Moderate
Year Inventoried: 2013
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: None
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 49 ft.
, Width 3.1 ft.
, Height 3.1 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0 ft./sec.
Structure Outlet
Water Depth: 0.8 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0 ft./sec.
*Water Velocities were measured at the Surface
(with Float Test)
Scour Pool: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Upstream Pond: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Riffle Information
Water Depth: 0 ft.
Bankfull Width: 0 ft.
Wetted Width: 0 ft.
Water Velocity: 0 ft./sec.
Road Information
Sand
County Road
Road Condition: Fair
Road Width at Culvert: 26 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 0.2 ft.
Slope: More than 1:2
Downstream
Fill Depth: 0.3 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 452 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.49
Erosion: 1.5877 tons/year
Right Approach
Length: 233 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.437
Erosion: 0.7286 tons/year
Erosion Information
Total Erosion at Crossing: 2.3163 tons/year
Summary Information
Fish Passability 0.5