Road Stream Crossing Site MAN_WE_024
Big Manistee River Watershed, Unknown (tributary to Manistee River)
M-37
Springville Twp,
Wexford County
Information collected by:
Site Location
GPS Coordinates: 44.39763
, -85.72836
T23N
R12W
Sec 11
Owned by Private
Perch Height: 2.6 ft.
Total Erosion: 6.4682 tons/year
Severity: Severe
Year Inventoried: 2014
Site ID
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: Headwall
Outlet Type: Outlet Apron
Structure Material: Metal
Structure Substrate: None
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 325 ft.
, Width 5 ft.
, Height 5 ft.
Perch Height: 2.6 ft.
Structure Inlet
Water Depth: 0.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1 ft./sec.
Structure Outlet
Water Depth: 0.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 4.8 ft./sec.
*Water Velocities were measured 0.2 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 7.5 ft.
, Width 5.7 ft.
, Depth 0.4 ft.
Upstream Pond: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Riffle Information
Water Depth: 0.3 ft.
Bankfull Width: 7 ft.
Wetted Width: 3.7 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: 20 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: 750 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0533 tons/year
Erosion Information
Total Erosion at Crossing: 6.4682 tons/year
Extent of Erosion: Severe
Notes:
Severe erosion at perched outlet apron surrounding on embankment and underneath apron.
Location of Erosion | Erosion Dimensions | Eroded Material | Material Eroded | Total Erosion | ||
facing downstream | Length | Width | Depth | Reaching Stream? | (tons/year) | |
Left Downstream Embankment |
2.5 ft. |
3 ft. |
2.6 ft. |
yes |
Sandy Loam |
0.1248 |
Right Downstream Embankment |
2.5 ft. |
3 ft. |
2.6 ft. |
yes |
Sandy Loam |
0.1248 |
Right Downstream Streambank |
40 ft. |
2 ft. |
8 ft. |
yes |
Sandy Loam |
6.144 |
Summary Information
Fish Passage is an area of concern for this site.
yes, very high perch at outlet.
A future visit to this site is recommended.
Yes, erosion issues may worsen, outlet apron crumbling.