Road Stream Crossing Site PM_N021

Pere Marquette River Watershed, Freeman Creek
Dickinson Ave
Troy Twp, Newaygo County
Information collected by:
Site Location
GPS Coordinates: 43.7373570027881 , -86.0192229598761
T16N R14W Sec 31
Owned by Private
Total Erosion: 0.3058 tons/year
Severity: Severe
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: 1
Structure Shape: Round
Inlet Type: Mitered
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 65 ft. , Width 5 ft. , Height 5 ft.
Structure Inlet
Water Depth: 0.4 ft.
Water Velocity*: 4.1 ft./sec.
Structure Outlet
Water Depth: 0.4 ft.
Water Velocity*: 3.5 ft./sec.
*Water Velocities were measured 0.2 ft. below Surface (with Meter)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 20 ft. , Width 25 ft. , Depth 3.5 ft.
Riffle Information
Water Depth: 0.3 ft.
Bankfull Width: 11 ft.
Wetted Width: 7 ft.
Water Velocity: 0.8 ft./sec. (Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved County Road
Road Condition: Good
Road Width at Culvert: 22 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 5 ft.
Slope: 1:1.5
Downstream
Fill Depth: 5.5 ft.
Slope: 1:1.5
Approaches
Left Approach
Length: 220 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 1.266
Erosion: 0.2026 tons/year
Right Approach
Length: 165 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.409
Erosion: 0.0491 tons/year
Erosion Information
Total Erosion at Crossing: 0.3058 tons/year
Extent of Erosion: Moderate
Location of Erosion
Erosion Dimensions
Eroded Material
Material Eroded
Total Erosion
facing downstream
Length
Width
Depth
Reaching Stream?
(tons/year)
Left Upstream Streambank
3 ft.
1 ft.
0.4 ft.
yes
Loam
0.0074
Left Downstream Embankment
7 ft.
6 ft.
0.2 ft.
yes
Loam
0.0086
Right Downstream Embankment
7 ft.
6 ft.
0.2 ft.
yes
Loam
0.0086
Right Downstream Embankment
8 ft.
1 ft.
0.6 ft.
yes
Loam
0.0296
Summary Information
Fish Passage is an area of concern for this site.