Road Stream Crossing Site TW012

Tawas river Watershed, Dead Creek
Miller Rd
Tawas Twp, Iosco County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 44.29361 , -83.62155
T22N R07E Sec 17,20
Owned by Private
Fish Passability 0.9
Structure is NOT Perched
Total Erosion: 0.22 tons/year
Severity: Minor
Year Inventoried: 2012
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: Ellipse
Inlet Type: Projecting
Outlet Type: Cascade over Riprap
Structure Material: Metal
Structure Substrate: Rock
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 70 ft. , Width 4.5 ft. , Height 3.3 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.8 ft./sec.
Structure Outlet
Water Depth: 0.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.3 ft./sec.
*Water Velocities were measured at the 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: 0.3 ft.
Bankfull Width: 13 ft.
Wetted Width: 3 ft.
Water Velocity: 1.3 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: 7.7 ft.
Slope: 1:2
Downstream
Fill Depth: 8.6 ft.
Slope: 1:2
Approaches
Left Approach
Length: 300 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.46
Erosion: 0.1004 tons/year
Right Approach
Length: 350 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.47
Erosion: 0.1196 tons/year
Erosion Information
Total Erosion at Crossing: 0.22 tons/year
Summary Information
Fish Passability 0.9
Fish Passage is an area of concern for this site. Upstream dam, misplacement of culvert in stream channel
A future visit to this site is recommended. See above
These non-native species were observerd at this site: Autumn olive, burdock and phragmites