Road Stream Crossing Site RIF_AR107
Rifle River Watershed, Unnamed Creek of Forest Lake
Maple Ridge Rd
Moffatt Twp,
Arenac County
Information collected by:
Site Location
GPS Coordinates: 44.14145
, -84.09063
T20N
R3E
Sec 15
Fish Passability 0
Perch Height: 0.1 ft.
Total Erosion: 0.791 tons/year
Severity: Severe
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: Freefall into Pool
Structure Material: Metal
Structure Substrate: None
General Conditions: Poor
Structure Interior: corrugated
Structure is Rusted through
Dimensions of Structure: Length 81 ft.
, Width 4.1 ft.
, Height 3.9 ft.
Perch Height: 0.1 ft.
Structure Inlet
Water Depth: 0.1 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*: 0.5 ft./sec.
*Water Velocities were measured at the Surface
(with Float Test)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 24 ft.
, Width 12.4 ft.
, Depth 1.1 ft.
Upstream Pond: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Riffle Information
Water Depth: 0.2 ft.
Bankfull Width: 5.1 ft.
Wetted Width: 1.2 ft.
Water Velocity: 1.2 ft./sec.
(Measured with Float Test)
Dominant Substrate: Cobble
Road Information
Paved
County Road
Road Condition: Good
Road Width at Culvert: 24 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 6 ft.
Slope: 1:2
Downstream
Fill Depth: 6 ft.
Slope: 1:2
Approaches
Left Approach
Length: 597 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.679
Erosion: 0.3215 tons/year
Right Approach
Length: 792 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.747
Erosion: 0.4695 tons/year
Erosion Information
Total Erosion at Crossing: 0.791 tons/year
Extent of Erosion: Moderate
Notes: upsteam on top of pipe, and downstream on top of pipe
Summary Information
Fish Passability 0
Fish Passage is an area of concern for this site.
percehed culvert
A future visit to this site is recommended. fish passage