Road Stream Crossing Site TBW_TBAC169
Thunder Bay River Watershed, Unnamed
Mount Maria Road
Caledonia Twp,
Alcona County
Information collected by:
Site Location
GPS Coordinates: 44.85036
, -83.60812
T28N
R7E
Sec 04
Owned by Private
Fish Passability 0
Perch Height: 1.3 ft.
Total Erosion: 0.1171 tons/year
Severity: Severe
Year Inventoried: 2017
Site ID
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: Round
Inlet Type: Projecting
Outlet Type: Freefall into Pool
Structure Material: Metal
Structure Substrate: None
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 63 ft.
, Width 3.2 ft.
, Height 3.2 ft.
Percentage Plugged:
Inlet: 1% to 25%
Perch Height: 1.3 ft.
Structure Inlet
Water Depth: 0.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.7 ft./sec.
Structure Outlet
Water Depth: 0.2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 2.9 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 12 ft.
, Width 8.8 ft.
, Depth 1 ft.
Riffle Information
Water Depth: 0.4 ft.
Bankfull Width: 5 ft.
Wetted Width: 4 ft.
Water Velocity: 0.7 ft./sec.
(Measured with Meter)
Dominant Substrate: Cobble
Road Information
Paved
County Road
Road Condition: Fair
Road Width at Culvert: 28 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 5.8 ft.
Slope: More than 1:2
Downstream
Fill Depth: 6 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 0 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0 tons/year
Right Approach
Length: 275 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.45
Erosion: 0.1145 tons/year
Erosion Information
Total Erosion at Crossing: 0.1171 tons/year
Extent of Erosion: Minor
Location of Erosion | Erosion Dimensions | Eroded Material | Material Eroded | Total Erosion | ||
facing downstream | Length | Width | Depth | Reaching Stream? | (tons/year) | |
Right Downstream Embankment |
2.5 ft. |
2 ft. |
1.5 ft. |
yes |
Clay |
0.0026 |
Summary Information
Fish Passability 0
Fish Passage is an area of concern for this site.
PERCHED OUTLET
These non-native species were observerd at this site: Crown Vetch, and Queen Anne's Lace. Possible Moneywort Infestation (SHOULD CONTACT LANDOWNER TO SEE IF THEY WOULD BE INTERESTED IN TREATMENT)