Road Stream Crossing Site RIF_AR13
Rifle River Watershed, North Branch Townline Creek
Main
Mason Twp,
Arenac County
Information collected by:
Site Location
GPS Coordinates: 44.11288
, -83.92327
T20N
R5E
Sec 30
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 0.4104 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: None
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 69 ft.
, Width 4.1 ft.
, Height 3.9 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.5 ft./sec.
Structure Outlet
Water Depth: 0.3 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 25 ft.
, Width 12.8 ft.
, Depth 1.1 ft.
Upstream Pond: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Riffle Information
Water Depth: 0.5 ft.
Bankfull Width: 8.6 ft.
Wetted Width: 7.4 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: 8 ft.
Slope: 1:1.5
Downstream
Fill Depth: 9 ft.
Slope: 1:1.5
Approaches
Left Approach
Length: 609 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.521
Erosion: 0.2414 tons/year
Right Approach
Length: 453 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.491
Erosion: 0.169 tons/year
Erosion Information
Total Erosion at Crossing: 0.4104 tons/year
Extent of Erosion: Stabilized
Summary Information
Fish Passability 0.5