Road Stream Crossing Site PG113
Pigeon River Watershed, Pigeon River
Fishermans Rd
Nunda Twp,
Cheboygan County
Information collected by:
Site Location
GPS Coordinates: 45.21334
, -84.47134
T33N
R01W
Sec 31
Owned by State
Fish Passability 1
Structure is NOT Perched
Total Erosion: 2.4304 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: Mixture
General Conditions: Poor
Structure Interior: corrugated
Dimensions of Structure: Length 21.7 ft.
, Width 12 ft.
, Height 12 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.6 ft.
Embedded Depth of Structure: 0.2 ft.
Water Velocity*: 0.1 ft./sec.
Structure Outlet
Water Depth: 0.5 ft.
Embedded Depth of Structure: 0.2 ft.
Water Velocity*: 0.2 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: 6 ft.
Wetted Width: 3 ft.
Water Velocity: 0.6 ft./sec.
(Measured with Meter)
Dominant Substrate: Gravel
Road Information
Sand
County Road
(Seasonal)
Road Condition: Poor
Road Width at Culvert: 10.5 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 2 ft.
Slope: 1:2
Downstream
Fill Depth: 2.4 ft.
Slope: Vertical
Approaches
Left Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 1.6488 tons/year
Right Approach
Length: 530 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.506
Erosion: 0.7757 tons/year
Erosion Information
Total Erosion at Crossing: 2.4304 tons/year
Extent of Erosion: Moderate
Location of Erosion | Erosion Dimensions | Eroded Material | Material Eroded | Total Erosion | ||
facing downstream | Length | Width | Depth | Reaching Stream? | (tons/year) | |
Right Downstream Embankment |
4.8 ft. |
2 ft. |
0.2 ft. |
yes |
Loam |
0.0059 |
Summary Information
Fish Passability 1