Road Stream Crossing Site CLHW_BC-028
Big Creek Watershed, Unnamed Drain to Big Creek
Jose Rd
Arenac Twp,
Arenac County
Information collected by:
Site Location
GPS Coordinates: 44.06949
, -83.83204
T19N
R5E
Sec 11
Owned by Private
Fish Passability 0.9
Structure is NOT Perched
Total Erosion: 8.7831 tons/year
Severity: Severe
Year Inventoried: 2016
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: Pipe Arch
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Sand
General Conditions: Poor
Structure Interior: corrugated
Structure is Rusted through
Dimensions of Structure: Length 28 ft.
, Width 6 ft.
, Height 4.5 ft.
Percentage Plugged:
Inlet: 0%
Outlet: 0%
In Pipe: 51% to 75%
Percentage Crushed:
Inlet: 1% to 25%
Outlet: 0%
In Pipe: 1% to 25%
Structure is NOT Perched
Structure Inlet
Water Depth: 0.5 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*: 1 ft./sec.
*Water Velocities were measured at the Surface
(with Float Test)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Riffle Information
Water Depth: 0.5 ft.
Bankfull Width: 13 ft.
Wetted Width: 4 ft.
Water Velocity: 1.1 ft./sec.
(Measured with Float Test)
Dominant Substrate: Sand
Road Information
Gravel
County Road
Road Condition: Poor
Road Width at Culvert: 23 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 1.2 ft.
Slope: More than 1:2
Downstream
Fill Depth: 1.4 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 3.6116 tons/year
Right Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 3.6116 tons/year
Erosion Information
Total Erosion at Crossing: 8.7831 tons/year
Extent of Erosion: Severe
Erosion is occurring and corrective actions can be installed to address the problem.
Notes: Replace riprap
Location of Erosion | Erosion Dimensions | Eroded Material | Material Eroded | Total Erosion | ||
facing downstream | Length | Width | Depth | Reaching Stream? | (tons/year) | |
Left Downstream Embankment |
13 ft. |
4 ft. |
6 ft. |
yes |
Gravel |
1.56 |
Summary Information
Fish Passability 0.9