Road Stream Crossing Site AGAR010
Au Gres River Watershed, Cedar Creek drain
Williams Rd
Mason Twp,
Arenac County
Information collected by:
Site Location
GPS Coordinates: 44.14778
, -83.83836
T20N
R5E
Sec 10
Owned by Private
Fish Passability 0
Structure is NOT Perched
Total Erosion: 3.7097 tons/year
Severity: Severe
Year Inventoried: 2014
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Round
Inlet Type: Headwall
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: Good
Structure Interior: corrugated
Structure is Rusted through
Dimensions of Structure: Length 30 ft.
, Width 4.2 ft.
, Height 4.2 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.9 ft./sec.
Structure Outlet
Water Depth: 0.2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 3.5 ft./sec.
*Water Velocities were measured 0.5 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 33 ft.
, Width 18.8 ft.
, Depth 2.5 ft.
Upstream Pond: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Riffle Information
Water Depth: 0.3 ft.
Bankfull Width: 9.5 ft.
Wetted Width: 7.5 ft.
Water Velocity: 0.8 ft./sec.
(Measured with Meter)
Dominant Substrate: Gravel
Road Information
Gravel
County Road
Road Condition: Good
Road Width at Culvert: 18 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 2 ft.
Slope: 1:2
Downstream
Fill Depth: 0.8 ft.
Slope: Vertical
Approaches
Left Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 2.8264 tons/year
Right Approach
Length: 375 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.475
Erosion: 0.8833 tons/year
Erosion Information
Total Erosion at Crossing: 3.7097 tons/year
Notes: None.
Summary Information
Fish Passability 0