Road Stream Crossing Site PG008
Pigeon River Watershed, Surface Drain
S Carter Rd
Koehler Twp,
Cheboygan County
Information collected by:
Site Location
GPS Coordinates: 45.42658
, -84.47073
T35N
R01W
Sec 7,8
Owned by Private
Fish Passability 0
Perch Height: 0.4 ft.
Total Erosion: 2.8822 tons/year
0.41 Upstream Miles
Severity: Severe
Year Inventoried: 2012
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: Cascade over Riprap
Structure Material: Metal
Structure Substrate: None
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 40 ft.
, Width 1.2 ft.
, Height 1.2 ft.
Percentage Plugged:
Inlet: 26% to 50%
Outlet: 0%
In Pipe: 0%
Perch Height: 0.4 ft.
Structure Inlet
Water Depth: 0.7 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.3 ft./sec.
Structure Outlet
Water Depth: 0.7 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.8 ft./sec.
*Water Velocities were measured at the Surface
(with Meter)
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Upstream Pond: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Riffle Information
Water Depth: 0.3 ft.
Bankfull Width: 35 ft.
Wetted Width: 2 ft.
Water Velocity: 0.4 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Gravel
County Road
Road Condition: Good
Road Width at Culvert: 25 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 2.7 ft.
Slope: 1:2
Downstream
Fill Depth: 3 ft.
Slope: 1:2
Approaches
Left Approach
Length: 300 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.46
Erosion: 0.9504 tons/year
Right Approach
Length: 550 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.51
Erosion: 1.9318 tons/year
Erosion Information
Total Erosion at Crossing: 2.8822 tons/year
Summary Information
Fish Passability 0
0.41 Upstream Miles
Fish Passage is an area of concern for this site.
Outlet is perched and inlet is partially plugged
A future visit to this site is recommended. Fish passage issues
These non-native species were observerd at this site: spotted knapweed