Road Stream Crossing Site GTBAY_S057
Boardman River Watershed, Beitner Creek
Williams Rd
Blair Twp,
Grand Traverse County
Information collected by:
Site Location
GPS Coordinates: 44.67327
, -85.63611
T26N
R11W
Sec 03
Owned by Private
Fish Passability 0
Total Erosion: 0.3616 tons/year
Severity: Severe
Year Inventoried: 2020
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Erosion
Erosion
Crossing Information
Type of Crossing: culvert(s)
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Sand
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 58 ft.
, Width 4 ft.
, Height 4 ft.
Structure Inlet
Water Depth: 1.3 ft.
Embedded Depth of Structure: 0.1 ft.
Water Velocity*: 4.4 ft./sec.
Structure Outlet
Water Depth: 1.1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 7.6 ft./sec.
*Water Velocities were measured 0.7 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 13 ft.
, Width 15 ft.
, Depth 2.8 ft.
Riffle Information
Water Depth: 2 ft.
Bankfull Width: 27.5 ft.
Wetted Width: 11.5 ft.
Water Velocity: 0.6 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved
County Road
Road Condition: Good
Road Width at Culvert: 24 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 4.5 ft.
Slope: More than 1:2
Downstream
Fill Depth: 4.3 ft.
Slope: Vertical
Approaches
Left Approach
Length: 500 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.5
Erosion: 0.1983 tons/year
Right Approach
Length: 300 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.46
Erosion: 0.1095 tons/year
Erosion Information
Total Erosion at Crossing: 0.3616 tons/year
Extent of Erosion: Moderate
Notes: About 4 feet from shoulder of road
Location of Erosion | Erosion Dimensions | Eroded Material | Material Eroded | Total Erosion | ||
facing downstream | Length | Width | Depth | Reaching Stream? | (tons/year) | |
Left Downstream Embankment |
8 ft. |
4 ft. |
1 ft. |
yes |
Sandy Loam |
0.0538 |
Summary Information
Fish Passability 0