Road Stream Crossing Site BEAR_BC018
Bear Creek Watershed, Third Creek
Thompsonville Rd
Cleon Twp,
Manistee County
Information collected by:
Site Location
GPS Coordinates: 44.45143
, -85.93819
T24
R13
Sec 30
Owned by State
Structure is NOT Perched
Total Erosion: 0.5856 tons/year
Severity: Moderate
Year Inventoried: 2011
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: Pipe Arch
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 60 ft.
, Width 5 ft.
, Height 4.3 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 1.15 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 2.7 ft./sec.
Structure Outlet
Water Depth: 2.84 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1 ft./sec.
*Water Velocities were measured 0.69 ft. below Surface
(with Meter)
Additional Comments
Wetland conditions were present both upstream and downstream so riffle information could not be collected
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 36 ft.
, Width 25 ft.
, Depth 3 ft.
Upstream Pond: Length 80 ft.
, Width 30 ft.
Dominant Substrate: Organics
Road Information
Gravel
County Road
Road Condition: Good
Road Width at Culvert: 20 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 6 ft.
Slope: 1:1
Downstream
Fill Depth: 6.5 ft.
Slope: 1:1
Approaches
Left Approach
Length: 1000 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.2755 tons/year
Right Approach
Length: 1000 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.2755 tons/year
Erosion Information
Total Erosion at Crossing: 0.5856 tons/year
Extent of Erosion: Minor
Erosion is occurring and corrective actions can be installed to address the problem.
Notes: Embankment erosion due to road runoff and foot traffic
Location of Erosion | Erosion Dimensions | Eroded Material | Material Eroded | Total Erosion | ||
facing downstream | Length | Width | Depth | Reaching Stream? | (tons/year) | |
Left Upstream Embankment |
13 ft. |
2 ft. |
0.7 ft. |
yes |
Sandy Loam |
0.0087 |
Right Downstream Embankment |
18 ft. |
3 ft. |
1.5 ft. |
yes |
Sandy Loam |
0.0259 |
Summary Information
A future visit to this site is recommended. To obtain riffle information further upstream
These non-native species were observerd at this site: Knapweed