Road Stream Crossing Site PM_M152
Pere Marquette River Watershed, St. Clair Creek
1st St
Amber Twp,
Mason County
Information collected by:
Site Location
GPS Coordinates: 43.94882
, -86.37364
T18N
R17W
Sec 17
Owned by Private
Fish Passability 0.9
Total Erosion: 1.0478 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: 1
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Sand
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 60 ft.
, Width 2.5 ft.
, Height 2.5 ft.
Structure Inlet
Water Depth: 1.6 ft.
Water Velocity*: 0 ft./sec.
Structure Outlet
Water Depth: 0.9 ft.
Water Velocity*: 0 ft./sec.
*Water Velocities were measured 1 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Upstream Pond: Length 4 ft.
, Width 6 ft.
, Depth 1.5 ft.
Riffle Information
Water Depth: 0.5 ft.
Bankfull Width: 6 ft.
Wetted Width: 4 ft.
Water Velocity: 0.1 ft./sec.
(Measured with Meter)
Dominant Substrate: Organics
Road Information
Gravel
County Road
Road Condition: Good
Road Width at Culvert: 24 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 4 ft.
Slope: More than 1:2
Downstream
Fill Depth: 3.5 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 200 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0661 tons/year
Right Approach
Length: 320 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.464
Erosion: 0.9817 tons/year
Erosion Information
Total Erosion at Crossing: 1.0478 tons/year
Extent of Erosion: Minor
Summary Information
Fish Passability 0.9