Road Stream Crossing Site TW042
Tawas River Watershed, Cold Creek
Nunn Rd
Baldwin Twp,
Iosco County
Information collected by:
Site Location
GPS Coordinates: 44.2811489960421
, -83.5133470594883
T22N
R08E
Sec 19
Owned by Private
Structure is NOT Perched
Total Erosion: 0.1217 tons/year
0 Upstream Miles
Severity: Severe
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: 3
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Rock
General Conditions: Good
Multiple Culverts/Spans | ||||
Culvert/Span | Width | Length | Height | Material |
1 |
3 ft. |
58 ft. |
3 ft. |
Metal |
2 |
8.5 ft. |
60 ft. |
5.7 ft. |
Metal |
3 |
3 ft. |
58 ft. |
3 ft. |
Metal |
Structure Interior: corrugated
Dimensions of Structure: Length 60 ft.
, Width 8.5 ft.
, Height 5.7 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 1.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.9 ft./sec.
Structure Outlet
Water Depth: 0.6 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 3.3 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 15 ft.
, Width 1.4 ft.
, Depth 0.6 ft.
Riffle Information
Water Depth: 1 ft.
Bankfull Width: 45 ft.
Wetted Width: 15 ft.
Water Velocity: 1.4 ft./sec.
(Measured with Meter)
Dominant Substrate: Gravel
Road Information
Paved
County Road
Road Condition: Good
Road Width at Culvert: 36.8 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Fill Depth: 0 ft.
Slope: More than 1:2
Fill Depth: 0 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 1000 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0608 tons/year
Right Approach
Length: 1000 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0608 tons/year
Erosion Information
Total Erosion at Crossing: 0.1217 tons/year
Extent of Erosion: Moderate
Summary Information
0 Upstream Miles
Erosion is an area of concern for this site.