Road Stream Crossing Site RIF_AR15
Rifle River Watershed, North Branch Townline Creek
Knight Rd
Clayton Twp,
Arenac County
Information collected by:
Site Location
GPS Coordinates: 44.09845
, -83.93117
T20N
R4E
Sec 34
Fish Passability 0.9
Structure is NOT Perched
Total Erosion: 1.4066 tons/year
Severity: Moderate
Year Inventoried: 2012
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: Poor
Structure Interior: corrugated
Structure is Rusted through
Dimensions of Structure: Length 29 ft.
, Width 4 ft.
, Height 4.1 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 1.1 ft.
Embedded Depth of Structure: 0.1 ft.
Water Velocity*: 0.5 ft./sec.
Structure Outlet
Water Depth: 2 ft.
Embedded Depth of Structure: 0.1 ft.
Water Velocity*: 0.2 ft./sec.
*Water Velocities were measured at the Surface
(with Float Test)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 25 ft.
, Width 8.7 ft.
, Depth 0.9 ft.
Upstream Pond: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Riffle Information
Water Depth: 0.4 ft.
Bankfull Width: 7.5 ft.
Wetted Width: 6.5 ft.
Water Velocity: 0.5 ft./sec.
(Measured with Float Test)
Dominant Substrate: Sand
Road Information
Gravel
County Road
Road Condition: Fair
Road Width at Culvert: 16 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 8 ft.
Slope: Vertical
Downstream
Fill Depth: 8 ft.
Slope: Vertical
Approaches
Left Approach
Length: 276 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.45
Erosion: 0.5479 tons/year
Right Approach
Length: 405 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.481
Erosion: 0.8586 tons/year
Erosion Information
Total Erosion at Crossing: 1.4066 tons/year
Extent of Erosion: Moderate
Notes: upstream all sides, downstream all sides
Summary Information
Fish Passability 0.9