Road Stream Crossing Site PM_M042
Pere Marquette River Watershed, Big South Branch tributary
Stephens Rd
Custer Twp,
Mason County
Information collected by:
Site Location
GPS Coordinates: 43.91829
, -86.19887
T18N
R16W
Sec 35
Owned by Private
Fish Passability 0.5
Total Erosion: 1.4925 tons/year
Severity: Moderate
Year Inventoried: 2014
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: Good
Structure Interior: corrugated
Dimensions of Structure: Length 40 ft.
, Width 2 ft.
, Height 2 ft.
Water Depth: 0 ft.
Water Velocity*: 0 ft./sec.
Water Depth: 0 ft.
Water Velocity*: 0 ft./sec.
Additional Comments
access to inlet blocked by barbed wire fence
Stream Information
Stream Flow: None
Riffle Information
Water Depth: 0 ft.
Water Velocity: 0 ft./sec.
Road Information
Gravel
County Road
Road Condition: Fair
Road Width at Culvert: 20 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 4 ft.
Slope: 1:2
Downstream
Fill Depth: 4 ft.
Slope: 1:2
Approaches
Left Approach
Length: 60 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.342
Erosion: 0.1131 tons/year
Right Approach
Length: 500 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.5
Erosion: 1.3774 tons/year
Erosion Information
Total Erosion at Crossing: 1.4925 tons/year
Extent of Erosion: Minor
Location of Erosion | Erosion Dimensions | Eroded Material | Material Eroded | Total Erosion | ||
facing downstream | Length | Width | Depth | Reaching Stream? | (tons/year) | |
Left Upstream Streambank |
4 ft. |
1 ft. |
0.5 ft. |
yes |
Gravel |
0.002 |
Summary Information
Fish Passability 0.5