Road Stream Crossing Site MAN_WE_044
Big Manistee River Watershed, Unknown (tributary to Slagle Creek)
28 1/2 Rd
Boon Twp,
Wexford County
Information collected by:
Site Location
GPS Coordinates: 44.31637
, -85.6815
T22N
R11W
Sec 17
Owned by Private
Fish Passability 0
Perch Height: 2.3 ft.
Total Erosion: 28.799 tons/year
Severity: Severe
Year Inventoried: 2014
Site ID
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Erosion
Erosion
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 2
Structure Shape: Round
Inlet Type: Headwall
Outlet Type: Freefall into Pool
Structure Material: Concrete
Structure Substrate: None
General Conditions: Poor
Multiple Culverts/Spans | ||||
Culvert/Span | Width | Length | Height | Material |
2 |
3 ft. |
60 ft. |
3 ft. |
Concrete |
Structure Interior: smooth
Dimensions of Structure: Length 60 ft.
, Width 3 ft.
, Height 3 ft.
Percentage Plugged:
Inlet: 51% to 75%
Outlet: 0%
In Pipe: 0%
Perch Height: 2.3 ft.
Structure Inlet
Water Depth: 0.1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.1 ft./sec.
Structure Outlet
Water Depth: 0.1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.1 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 7 ft.
, Width 5.5 ft.
, Depth 0.5 ft.
Riffle Information
Water Depth: 0.3 ft.
Bankfull Width: 7.2 ft.
Wetted Width: 2.8 ft.
Water Velocity: 0.1 ft./sec.
(Measured with Meter)
Dominant Substrate: Gravel
Road Information
Gravel
County Road
Road Condition: Good
Road Width at Culvert: 19 ft.
Location of Low Point: Other
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 6 ft.
Slope: More than 1:2
Downstream
Fill Depth: 7.3 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 0 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.26
Erosion: 0 tons/year
Right Approach
Length: 800 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.55
Erosion: 2.303 tons/year
Erosion Information
Total Erosion at Crossing: 28.799 tons/year
Extent of Erosion: Severe
Notes: Very severe erosion all around downstream side.
Location of Erosion | Erosion Dimensions | Eroded Material | Material Eroded | Total Erosion | ||
facing downstream | Length | Width | Depth | Reaching Stream? | (tons/year) | |
Left Downstream Ditch |
120 ft. |
2.5 ft. |
4 ft. |
yes |
Sandy Loam |
9.216 |
Left Downstream Streambank |
150 ft. |
4 ft. |
6 ft. |
yes |
Sandy Loam |
17.28 |
Summary Information
Fish Passability 0
Erosion is an area of concern for this site.
Yes, very severe erosion surrounding downstream side.
A future visit to this site is recommended. yes, monitor erosion issues.