Road Stream Crossing Site MAN_WE_112
Big Manistee River Watershed, Adams Creek
14 Rd
Hanover Twp,
Wexford County
Information collected by:
Site Location
GPS Coordinates: 44.42444
, -85.62261
T24N
R11W
Sec 34
Owned by Private
Fish Passability 0
Structure is NOT Perched
Total Erosion: 1.2266 tons/year
Severity: Severe
Year Inventoried: 2014
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: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 40 ft.
, Width 4.6 ft.
, Height 4.6 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 1.6 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 4.5 ft./sec.
Structure Outlet
Water Depth: 1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 6 ft./sec.
*Water Velocities were measured 0.7 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 65 ft.
, Width 55 ft.
, Depth 4 ft.
Upstream Pond: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Riffle Information
Water Depth: 1 ft.
Bankfull Width: 18 ft.
Wetted Width: 16 ft.
Water Velocity: 1.8 ft./sec.
(Measured with Meter)
Dominant Substrate: Gravel
Road Information
Gravel
County Road
Road Condition: Good
Road Width at Culvert: 22 ft.
Location of Low Point: Other
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 3 ft.
Slope: 1:2
Downstream
Fill Depth: 2.5 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 400 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.48
Erosion: 1.1636 tons/year
Right Approach
Length: 0 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0 tons/year
Erosion Information
Total Erosion at Crossing: 1.2266 tons/year
Extent of Erosion: Moderate
Erosion is occurring and corrective actions can be installed to address the problem.
Location of Erosion | Erosion Dimensions | Eroded Material | Material Eroded | Total Erosion | ||
facing downstream | Length | Width | Depth | Reaching Stream? | (tons/year) | |
Left Upstream Embankment |
3 ft. |
3 ft. |
3 ft. |
no |
Gravelly Loam |
0.063 |
Summary Information
Fish Passability 0
Erosion is an area of concern for this site.
Yes, erosion primarily upstream embankment.
A future visit to this site is recommended. Yes, to monitor/fix erosion.