Road Stream Crossing Site PM_O002
Pere Marquette River Watershed, Ruby Creek
188th Ave
Colfax Twp,
Oceana County
Information collected by:
Site Location
GPS Coordinates: 43.81588
, -86.08681
T16N
R15W
Sec 3
Owned by Private
Fish Passability 0.9
Total Erosion: 1.9603 tons/year
Severity: Moderate
Year Inventoried: 2014
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 2
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Mixture
General Conditions: Good
Multiple Culverts/Spans | ||||
Culvert/Span | Width | Length | Height | Material |
1 |
5 ft. |
50 ft. |
5 ft. |
Metal |
2 |
5 ft. |
50 ft. |
5 ft. |
Metal |
Structure Interior: corrugated
Dimensions of Structure: Length 50 ft.
, Width 5 ft.
, Height 5 ft.
Structure Inlet
Water Depth: 0.8 ft.
Water Velocity*: 1.9 ft./sec.
Structure Outlet
Water Depth: 1 ft.
Water Velocity*: 0.9 ft./sec.
*Water Velocities were measured 0.5 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Riffle Information
Water Depth: 0.4 ft.
Bankfull Width: 14 ft.
Wetted Width: 10 ft.
Water Velocity: 2.5 ft./sec.
(Measured with Meter)
Dominant Substrate: Gravel
Road Information
Gravel
County Road
Road Condition: Good
Road Width at Culvert: 25 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 1 ft.
Slope: 1:2
Downstream
Fill Depth: 2 ft.
Slope: 1:2
Approaches
Left Approach
Length: 480 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.496
Erosion: 1.6397 tons/year
Right Approach
Length: 120 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.388
Erosion: 0.3207 tons/year
Erosion Information
Total Erosion at Crossing: 1.9603 tons/year
Extent of Erosion: Minor
Notes: concrete banks in place
Summary Information
Fish Passability 0.9