Road Stream Crossing Site RIF_AR108
Rifle River Watershed, Unnamed Creek
N. Forest Lake Dr
Clayton Twp,
Arenac County
Information collected by:
Site Location
GPS Coordinates: 44.13529
, -84.04736
T20N
R4E
Sec 18
Fish Passability 0
Perch Height: 0.3 ft.
Total Erosion: 1.5735 tons/year
Severity: Severe
Year Inventoried: 2012
Inlet
Upstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Round
Inlet Type: Projecting
Structure Material: Metal
Structure Substrate: None
General Conditions: Poor
Structure Interior: corrugated
Dimensions of Structure: Length 160 ft.
, Width 2.9 ft.
, Height 3 ft.
Perch Height: 0.3 ft.
Structure Inlet
Water Depth: 0.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.2 ft./sec.
Structure Outlet
Water Depth: 0.1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.5 ft./sec.
*Water Velocities were measured at the Surface
(with Float Test)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 39 ft.
, Width 36 ft.
, Depth 24 ft.
Upstream Pond: Length 12.1 ft.
, Width 6.4 ft.
, Depth 0 ft.
Riffle Information
Water Depth: 0.3 ft.
Bankfull Width: 6.9 ft.
Wetted Width: 4.3 ft.
Water Velocity: 0.5 ft./sec.
(Measured with Float Test)
Dominant Substrate: Sand
Road Information
Paved
County Road
Road Condition: Poor
Road Width at Culvert: 23 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 25 ft.
Slope: 1:1.5
Downstream
Fill Depth: 25 ft.
Slope: 1:1.5
Approaches
Left Approach
Length: 771 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 1.885
Erosion: 1.1052 tons/year
Right Approach
Length: 402 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 1.532
Erosion: 0.4683 tons/year
Erosion Information
Total Erosion at Crossing: 1.5735 tons/year
Extent of Erosion: Stabilized
Notes: slope stabilized by very high vegatatetion
Summary Information
Fish Passability 0
Fish Passage is an area of concern for this site.
perched culvert
A future visit to this site is recommended. perched culvert