South Carolina
Bridge Scour
Bridge Scour
South Carolina
Bridge Scour
Bridge Scour
Bridge Information View
Construction Information View
Theoretical Abutment Scour View
Field Information View
Photos View
Scour Figures View
(click on the link below to view the diagram file,
not all bridges have a diagram)
Bridge Information View
Construction Information View
Pier Scour Data - Q100
Field Measurement of Clear-Water Pier Scour
Predicted Clear-Water Pier Scour for 100-Year Flow
Pier Scour Data - QHIS
Field Measurement of Clear-Water Pier Scour
Predicted Clear-Water Contraction Scour for Historical Flow
Contraction Scour Data - Q100
Field Measurement of Clear-Water Contraction Scour
Predicted Clear-Water Contraction Scour for Historical Flow
Contraction Scour Data - QHIS
Field Measurement of Clear-Water Contraction Scour
Predicted Clear-Water Contraction Scour for Historical Flow
Photos View
Photos View
Bridge Information View
Construction Information View
Pier Scour Data
Field Measurement of Live-Bed Pier Scour
| Survey Date | Pier Width | Multiple Column | Measured Scour | Bent No. | Pier Shape | No. of Columns | General Soil Type | Pier Material | Max Spacing | D50 |
|---|---|---|---|---|---|---|---|---|---|---|
| 5/16/2006 | 6 | no | 11.7 | H | square | 1 | sand | concrete | 0.71 | |
| 5/16/2006 | 6 | no | 9 | I | square | 1 | sand | concrete | 0.71 | |
| 5/16/2006 | 7.3 | no | 16.9 | J | square | 1 | sand | concrete | 0.71 |
Predicted Live-Bed Pier Scour for Historical Flow
| Flow Index | K1 | Predicted Scour | Flow Depth | K2 | Pier Width | Flow Velocity | K3 | Pier Length | Froude No. | K4 | Pier Skew |
|---|---|---|---|---|---|---|---|---|---|---|---|
| QHIS | 1.0 | 19.4 | 24.1 | 2.10 | 6.00 | 3.8 | 1.1 | 33.5 | 0.14 | 1.0 | 25 |
| QHIS | 1.0 | 20.1 | 26.7 | 2.10 | 6.00 | 4.1 | 1.1 | 33.5 | 0.14 | 1.0 | 25 |
| QHIS | 1.0 | 20.6 | 27.4 | 1.94 | 7.30 | 4.0 | 1.1 | 33.5 | 0.13 | 1.0 | 25 |
Contraction Scour Data
Field Measurement of Live-Bed Contraction Scour
| Survey Date | Measured Scour (Includes Infill) | General Soil Type | Location | Estimated Infill | D50 | Measured Scour (Worst Case) | Comments |
|---|---|---|---|---|---|---|---|
| 5/16/2006 | 16.6 | sand | at bridge | 4.1 | 0.7 | 16.6 | Scour is likely influenced by pier scour. |
Predicted Live-Bed Contraction Scour for Historical Flow
| Flow Index | Approach Depth | Predicted Scour | Bridge Contraction Ratio | Approach Flow | Bridge Flow | Fall Velocity | Approach Width | Bridge Width | Energy Slope |
|---|---|---|---|---|---|---|---|---|---|
| QHIS | 18.9 | 3.2 | 0.7 | 43,553 | 50,500 | 0.4 | 573 | 547.9 | 0.0002 |
Photos View
| Photo ID: CONG_US-601_2623 
Caption: Cross section Upstream Face (left to right) of structure 092060100300 on US-601 crossing the Congaree River in Richland County, South Carolina (April 16, 2006). | Photo ID: CONG_US-601_2624 
Caption: Cross section -50' (left to right) of structure 092060100300 on US-601 crossing the Congaree River in Richland County, South Carolina (April 16, 2006). | Photo ID: CONG_US-601_2625 
Caption: Cross section -100' (left to right) of structure 092060100300 on US-601 crossing the Congaree River in Richland County, South Carolina (April 16, 2006). | Photo ID: CONG_US-601_2626 
Caption: Cross section -150' (left to right) of structure 092060100300 on US-601 crossing the Congaree River in Richland County, South Carolina (April 16, 2006). | Photo ID: CONG_US-601_2627 
Caption: Cross section -200' (left to right) of structure 092060100300 on US-601 crossing the Congaree River in Richland County, South Carolina (April 16, 2006). |
| Photo ID: CONG_US-601_2628 
Caption: Cross section -250' (left to right) of structure 092060100300 on US-601 crossing the Congaree River in Richland County, South Carolina (April 16, 2006). | Photo ID: CONG_US-601_2629 
Caption: Cross section -300' (left to right) of structure 092060100300 on US-601 crossing the Congaree River in Richland County, South Carolina (April 16, 2006). | Photo ID: CONG_US-601_2630 
Caption: Cross section -350' (left to right) of structure 092060100300 on US-601 crossing the Congaree River in Richland County, South Carolina (April 16, 2006). | Photo ID: CONG_US-601_2631 
Caption: Cross section -400' (left to right) of structure 092060100300 on US-601 crossing the Congaree River in Richland County, South Carolina (April 16, 2006). | Photo ID: CONG_US-601_2632 
Caption: Representative flood plain near structure 092060100300 on US-601 crossing the Congaree River in Richland County, South Carolina (April 16, 2006). |
| Photo ID: CONG_US-601_2633 
Caption: Representative Pier of structure 092060100300 on US-601 crossing the Congaree River in Richland County, South Carolina (April 16, 2006). | Photo ID: CONG_US-601_2634 
Caption: Cross section (left to right) Downstream face of structure 092060100300 on US-601 crossing the Congaree River in Richland County, South Carolina (April 16, 2006). | Photo ID: CONG_US-601_2635 
Caption: Cross section +50' (left to right) of structure 092060100300 on US-601 crossing the Congaree River in Richland County, South Carolina (April 16, 2006). | Photo ID: CONG_US-601_2636 
Caption: Cross section +100' (left to right) of structure 092060100300 on US-601 crossing the Congaree River in Richland County, South Carolina (April 16, 2006). | Photo ID: CONG_US-601_2637 
Caption: Cross section +150' (left to right) of structure 092060100300 on US-601 crossing the Congaree River in Richland County, South Carolina (April 16, 2006). |
| Photo ID: CONG_US-601_2638 
Caption: Cross section +200' (left to right) of structure 092060100300 on US-601 crossing the Congaree River in Richland County, South Carolina (April 16, 2006). | Photo ID: CONG_US-601_2639 
Caption: Downstream channel, viewed from structure 092060100300 on US-601 crossing the Congaree River in Richland County, South Carolina (April 16, 2006). | Photo ID: CONG_US-601_2640 
Caption: Upstream channel, viewed from structure 092060100300 on US-601 crossing the Congaree River in Richland County, South Carolina (April 16, 2006). | Photo ID: CONG_US-601_2641 
Caption: Cross section +250' (left to right) of structure 092060100300 on US-601 crossing the Congaree River in Richland County, South Carolina (April 16, 2006). | Photo ID: CONG_US-601_2642 
Caption: Cross section +300' (left to right) of structure 092060100300 on US-601 crossing the Congaree River in Richland County, South Carolina (April 16, 2006). |
| Photo ID: CONG_US-601_2643 
Caption: Cross section +350' (left to right) of structure 092060100300 on US-601 crossing the Congaree River in Richland County, South Carolina (April 16, 2006). | Photo ID: CONG_US-601_2644 
Caption: Cross section +400' (left to right) of structure 092060100300 on US-601 crossing the Congaree River in Richland County, South Carolina (April 16, 2006). | Photo ID: CONG_US-601_2645 
Caption: Downstream face (from mid channel) of structure 092060100300 on US-601 crossing the Congaree River in Richland County, South Carolina (April 16, 2006). | Photo ID: CONG_US-601_2646 
Caption: Upstream face (from mid channel) of structure 092060100300 on US-601 crossing the Congaree River in Richland County, South Carolina (April 16, 2006). |
Citations:
Benedict, S.T., and Caldwell, A.W., 2009, Development and evaluation of live-bed pier- and contraction-scour envelope curves in the Coastal Plain and Piedmont Provinces of South Carolina: U.S. Geological Survey Scientific Investigations Report 2009–5099, 108 p.
Benedict, S.T., 2016, Clear-water abutment and contraction scour in the Coastal Plain and Piedmont Provinces of South Carolina, 1996-99: U.S. Geological Survey Water Resources Investigation Report 2003-4064,https://pubs.er.usgs.gov/publication/wri034064.
Benedict, S.T., and Caldwell, A.W., 2016. Development and evaluation of clear-water pier and contraction scour envelope curves in the Coastal Plain and Piedmont Provinces of South Carolina (ver. 1.1, August 2016): U.S. Geological Survey Scientific Investigations Report 2005–5289, 98 p.
USGS - South Atlantic Water Science Center