Road Stream Crossing Site AGAR011
Au Gres River Watershed, Cedar Creek drain
Lehman Rd
Mason Twp,
Arenac County
Information collected by:
Site Location
GPS Coordinates: 44.11839
, -83.82741
T20N
R5E
Sec 13 & 14
Owned by Private
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 0.3057 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 52 ft.
, Width 5 ft.
, Height 5 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.7 ft./sec.
Structure Outlet
Water Depth: 0.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.5 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 0 ft.
, Width 0 ft.
, Depth 0 ft.
Upstream Pond: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Riffle Information
Water Depth: 0.2 ft.
Bankfull Width: 12.7 ft.
Wetted Width: 5 ft.
Water Velocity: 1.9 ft./sec.
(Measured with Meter)
Dominant Substrate: Cobble
Road Information
Gravel
County Road
Road Condition: Good
Road Width at Culvert: 23 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 2.2 ft.
Slope: More than 1:2
Downstream
Fill Depth: 2.4 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 632 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.2002 tons/year
Right Approach
Length: 333 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.1055 tons/year
Erosion Information
Total Erosion at Crossing: 0.3057 tons/year
Notes: None
Summary Information
Fish Passability 0.5
These non-native species were observerd at this site: Spotted Knapweed