Road Stream Crossing Site BL-72
Crooked River Watershed, Deer Creek
Coors
Tuscarora Twp,
Cheboygan County
Information collected by:
Site Location
GPS Coordinates: 45.405499
, -84.757669
T35N
R03W
Sec 23
Fish Passability 0.9
Structure is NOT Perched
Total Erosion: 0.1393 tons/year
Severity: Moderate
Year Inventoried: 2014
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 2
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Plastic
Structure Substrate: Mixture
General Conditions: Good
Multiple Culverts/Spans | ||||
Culvert/Span | Width | Length | Height | Material |
1 |
1.9 ft. |
29 ft. |
2 ft. |
Plastic |
2 |
1.9 ft. |
29 ft. |
2 ft. |
Plastic |
Structure Interior: smooth
Dimensions of Structure: Length 29 ft.
, Width 1.9 ft.
, Height 2 ft.
Percentage Plugged:
Inlet: 1% to 25%
Structure is NOT Perched
Structure Inlet
Water Depth: 0.45 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.03 ft./sec.
Structure Outlet
Water Depth: 0.75 ft.
Embedded Depth of Structure: 0.08 ft.
Water Velocity*: 0 ft./sec.
*Water Velocities were measured 0.3 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 10 ft.
, Width 12 ft.
, Depth 1.25 ft.
Upstream Pond: Length 10 ft.
, Width 11 ft.
, Depth 1.66 ft.
Riffle Information
Water Depth: 1.35 ft.
Bankfull Width: 15 ft.
Wetted Width: 13 ft.
Water Velocity: 0.01 ft./sec.
(Measured with Meter)
Dominant Substrate: Silt
Road Information
Gravel
County Road
Road Condition: Good
Road Width at Culvert: 16 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 3 ft.
Slope: 1:1.5
Downstream
Fill Depth: 2 ft.
Slope: 1:1.5
Approaches
Left Approach
Length: 50 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.011 tons/year
Right Approach
Length: 50 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.011 tons/year
Erosion Information
Total Erosion at Crossing: 0.1393 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) | |
Left Upstream Embankment |
3.5 ft. |
3 ft. |
2 ft. |
no |
Gravelly Loam |
0.049 |
Right Downstream Streambank |
3 ft. |
11.75 ft. |
3.25 ft. |
yes |
Gravelly Loam |
0.0683 |
Summary Information
Fish Passability 0.9
Erosion is an area of concern for this site.
moderate erosion on both sides of road, downed wood
A future visit to this site is recommended. naural dam to be removed to fix fish passage issue and erosion