Road Stream Crossing Site ST004.5
Sturgeon River Watershed, Crumley Creek
Crumley Creek Rd
Ellis Twp,
Cheboygan County
Information collected by:
Site Location
GPS Coordinates: 45.374699
, -84.550996
T34N
R02W
Sec 4
Owned by State
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 0.657 tons/year
Severity: Moderate
Year Inventoried: 2015
Site ID
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 2
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 30 ft.
, Width 3 ft.
, Height 2.8 ft.
Percentage Crushed:
Inlet: 1% to 25%
Outlet: 0%
In Pipe: 0%
Structure is NOT Perched
Structure Inlet
Water Depth: 1.5 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.4 ft./sec.
Structure Outlet
Water Depth: 1.2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1 ft./sec.
*Water Velocities were measured 1 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 19.5 ft.
, Width 10.4 ft.
, Depth 1.5 ft.
Upstream Pond: Length 22.4 ft.
, Width 13.8 ft.
, Depth 1.7 ft.
Riffle Information
Water Depth: 0.4 ft.
Bankfull Width: 10.4 ft.
Wetted Width: 9.8 ft.
Water Velocity: 1.2 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Gravel
County Road
Road Condition: Good
Road Width at Culvert: 16.2 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 1.4 ft.
Slope: Vertical
Downstream
Fill Depth: 1.5 ft.
Slope: 1:2
Approaches
Left Approach
Length: 317.3 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.463
Erosion: 0.6563 tons/year
Right Approach
Length: 0 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0 tons/year
Erosion Information
Total Erosion at Crossing: 0.657 tons/year
Extent of Erosion: Minor
Location of Erosion | Erosion Dimensions | Eroded Material | Material Eroded | Total Erosion | ||
facing downstream | Length | Width | Depth | Reaching Stream? | (tons/year) | |
Right Downstream Streambank |
3.7 ft. |
4.6 ft. |
0.2 ft. |
yes |
Gravel |
0.0007 |
Summary Information
Fish Passability 0.5