Road Stream Crossing Site CRW_042
Cedar River Watershed, West Branch Cedar River
Forest Rd
Franklin Twp,
Clare County
Information collected by:
Site Location
GPS Coordinates: 44.090567
, -84.651183
T19N
R3W
Sec 27
Owned by Private
Fish Passability 0.9
Structure is NOT Perched
Total Erosion: 2.9697 tons/year
Severity: Severe
Year Inventoried: 2018
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: Bridge
Structure Shape: Open Bottom Square/Rectangle
Inlet Type: Wingwall 30-70 Degree
Outlet Type: At Stream Grade
Structure Material: Wood
Structure Substrate: Gravel
General Conditions: Good
Structure Interior: smooth
Dimensions of Structure: Length 28 ft.
, Width 22 ft.
, Height 3.25 ft.
Percentage Plugged:
Inlet: 0%
Outlet: 0%
In Pipe: 0%
Percentage Crushed:
Inlet: 0%
Outlet: 0%
In Pipe: 0%
Structure is NOT Perched
Structure Inlet
Water Depth: 0.75 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.8 ft./sec.
Structure Outlet
Water Depth: 0.75 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.4 ft./sec.
*Water Velocities were measured at the Surface
(with Meter)
Additional Comments
Lat;44-05.434'; Long: 84-39.405'
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 20 ft.
, Width 13 ft.
, Depth 5 ft.
Upstream Pond: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Riffle Information
Water Depth: 1.5 ft.
Bankfull Width: 16 ft.
Wetted Width: 13 ft.
Water Velocity: 0.4 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: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 1.75 ft.
Slope: 1:2
Downstream
Fill Depth: 1.75 ft.
Slope: 1:2
Approaches
Left Approach
Length: 1000 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.303 tons/year
Right Approach
Length: 800 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.55
Erosion: 2.6667 tons/year
Erosion Information
Total Erosion at Crossing: 2.9697 tons/year
Extent of Erosion: Minor
Notes: Erosion well controlled
Summary Information
Fish Passability 0.9