Road Stream Crossing Site MAN_WE_020
Big Manistee River Watershed, Preston Creek
Old M-37
Springville Twp,
Wexford County
Information collected by:
Site Location
GPS Coordinates: 44.39975
, -85.71966
T23N
R12W
Sec 11
Owned by Private
Perch Height: 1.2 ft.
Total Erosion: 0.7875 tons/year
Severity: Severe
Year Inventoried: 2014
Site ID
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Erosion
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: Freefall into Pool
Structure Material: Concrete
Structure Substrate: None
General Conditions: Fair
Structure Interior: smooth
Dimensions of Structure: Length 71 ft.
, Width 2 ft.
, Height 2 ft.
Perch Height: 1.2 ft.
Structure Inlet
Water Depth: 1.1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 4.4 ft./sec.
Structure Outlet
Water Depth: 2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 7.1 ft./sec.
*Water Velocities were measured 0.5 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 20 ft.
, Width 16 ft.
, Depth 26 ft.
Upstream Pond: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Riffle Information
Water Depth: 0.7 ft.
Bankfull Width: 15 ft.
Wetted Width: 12 ft.
Water Velocity: 2.2 ft./sec.
(Measured with Meter)
Dominant Substrate: Cobble
Road Information
Paved
County Road
Road Condition: Good
Road Width at Culvert: 23 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 7 ft.
Slope: More than 1:2
Downstream
Fill Depth: 8.5 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 400 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.48
Erosion: 0.146 tons/year
Right Approach
Length: 300 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.55
Erosion: 0.1255 tons/year
Erosion Information
Total Erosion at Crossing: 0.7875 tons/year
Extent of Erosion: Moderate
Notes:
Erosion occuring near natural spring on embankment. Mostly stabilized with lower water and brush fill. Previously impounded area.
Location of Erosion | Erosion Dimensions | Eroded Material | Material Eroded | Total Erosion | ||
facing downstream | Length | Width | Depth | Reaching Stream? | (tons/year) | |
Left Downstream Embankment |
12 ft. |
39 ft. |
6.4 ft. |
yes |
Sandy Loam |
0.5161 |
Summary Information
Fish Passage is an area of concern for this site.
Yes, high velocity, high perch.