Road Stream Crossing Site AGIO063
Au Gres River Watershed, Au Gres River
Turtle Rd
Sherman Twp,
Iosco County
Information collected by:
Site Location
GPS Coordinates: 44.19067
, -83.76012
T21N
R6E
Sec 19 & 30
Owned by Private
Fish Passability 1
Structure is NOT Perched
Total Erosion: 0.6218 tons/year
Severity: Minor
Year Inventoried: 2014
Site ID
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: Bridge
Structure Shape: Open Bottom Square/Rectangle
Inlet Type: Other
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Mixture
General Conditions: Good
Structure Interior: smooth
Dimensions of Structure: Length 36 ft.
, Width 100 ft.
, Height 12.7 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 1.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1 ft./sec.
Structure Outlet
Water Depth: 2.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.6 ft./sec.
*Water Velocities were measured 0.5 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than 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: 0.9 ft.
Bankfull Width: 49 ft.
Wetted Width: 37 ft.
Water Velocity: 3.3 ft./sec.
(Measured with Meter)
Dominant Substrate: Gravel
Road Information
Paved
County Road
Road Condition: Good
Road Width at Culvert: 33 ft.
Location of Low Point: Other
Runoff Path: Ditch
Fill Depth: 0 ft.
Slope: Vertical
Fill Depth: 0 ft.
Slope: Vertical
Approaches
Left Approach
Length: 0 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0 tons/year
Right Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.6218 tons/year
Erosion Information
Total Erosion at Crossing: 0.6218 tons/year
Notes: None apparent due to structure. There is some streambank erosion visible farther downstream along the streambanks.
Summary Information
Fish Passability 1
These non-native species were observerd at this site: Spotted Knapweed, Autumn Olive, Mullien