Road Stream Crossing Site TW035
Tawas River Watershed, Cold Creek
S Plank Rd
Tawas Twp,
Iosco County
Information collected by:
Site Location
GPS Coordinates: 44.28743
, -83.55298
T22N
R07E
Sec 23
Owned by Private
Fish Passability 0.9
Structure is NOT Perched
Total Erosion: 1.0552 tons/year
Severity: Moderate
Year Inventoried: 2012
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: Cascade over Riprap
Structure Material: Metal
Structure Substrate: Sand
General Conditions: Poor
Structure Interior: corrugated
Dimensions of Structure: Length 50 ft.
, Width 5.6 ft.
, Height 3.1 ft.
Percentage Crushed:
Inlet: 0%
Outlet: 1% to 25%
In Pipe: 1% to 25%
Structure is NOT Perched
Structure Inlet
Water Depth: 1.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.1 ft./sec.
Structure Outlet
Water Depth: 1.1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.4 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: 1.3 ft.
Bankfull Width: 23 ft.
Wetted Width: 11 ft.
Water Velocity: 0.9 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved
County Road
Road Condition: Good
Road Width at Culvert: 28 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 4 ft.
Slope: 1:2
Downstream
Fill Depth: 4 ft.
Slope: 1:2
Approaches
Left Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.5276 tons/year
Right Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.5276 tons/year
Erosion Information
Total Erosion at Crossing: 1.0552 tons/year
Summary Information
Fish Passability 0.9
Fish Passage is an area of concern for this site.
In pipe is crushed as well as at the outlet. Cascading outlet over riprap
A future visit to this site is recommended. Bad condition of pipe