Road Stream Crossing Site MAN_WE_023
Big Manistee River Watershed, Unknown (tributary to Manistee River)
M-37
Springville Twp,
Wexford County
Information collected by:
Site Location
GPS Coordinates: 44.39844
, -85.72694
T23N
R12W
Sec 11
Owned by Private
Perch Height: 1.8 ft.
Total Erosion: 10.7079 tons/year
Severity: Severe
Year Inventoried: 2014
Site ID
Inlet
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Erosion
Erosion
Erosion
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Round
Inlet Type: Other
Outlet Type: Freefall into Pool
Structure Material: Concrete
Structure Substrate: None
General Conditions: Poor
Structure Interior: smooth
Dimensions of Structure: Length 400 ft.
, Width 3 ft.
, Height 3 ft.
Percentage Plugged:
Inlet: 51% to 75%
Outlet: 0%
In Pipe: 0%
Perch Height: 1.8 ft.
Structure Inlet
Water Depth: 1 ft.
Embedded Depth of Structure: 3 ft.
Water Velocity*: 0.1 ft./sec.
Structure Outlet
Water Depth: 1.8 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 8 ft./sec.
*Water Velocities were measured 0.5 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 16.5 ft.
, Width 14 ft.
, Depth 2.2 ft.
Upstream Pond: Length 71.5 ft.
, Width 21.6 ft.
, Depth 4 ft.
Riffle Information
Water Depth: 0.6 ft.
Bankfull Width: 10.5 ft.
Wetted Width: 10 ft.
Water Velocity: 2 ft./sec.
(Measured with Meter)
Dominant Substrate: Gravel
Road Information
Paved
State Road
Road Condition: Good
Road Width at Culvert: 43 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 25 ft.
Slope: More than 1:2
Downstream
Fill Depth: 45 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 300 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0213 tons/year
Right Approach
Length: 700 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0498 tons/year
Erosion Information
Total Erosion at Crossing: 10.7079 tons/year
Extent of Erosion: Severe
Notes:
Very severe and deep erosion surrounding scour pool.
Location of Erosion | Erosion Dimensions | Eroded Material | Material Eroded | Total Erosion | ||
facing downstream | Length | Width | Depth | Reaching Stream? | (tons/year) | |
Right Downstream Streambank |
25 ft. |
4 ft. |
20 ft. |
yes |
Sandy Loam |
9.6 |
Right Upstream Streambank |
18 ft. |
1 ft. |
3 ft. |
yes |
Sandy Loam |
1.0368 |
Summary Information
Fish Passage is an area of concern for this site.
Yes, very high velocity and perched outlet, impounded water and embedded/plugged inlet. Severe erosion surrounding scour pool.
A future visit to this site is recommended.
Yes, Impounded/plugged inlet, severe perched outlet with high velocity and severe erosion. Impounded water worse after rainfall.