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| Abbreviations | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Contraction Scour Data Table | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| State | StreamID | Site ID | Site Name | Measurement Number | Date | Time | US or DS | Contracted Average Velocity (ft/s) | Contracted Discharge (cfs) | Contracted Depth (ft) | Contracted Width (ft) | Uncontracted Average Velocity (ft/s) | Uncontracted Discharge (cfs) | Uncontracted Depth (ft) | Uncontracted Width (ft) | Channel Contraction Ratio | Pier Contraction Ratio | Eccentricity | Sediment Transport | Bed Material Type | D16 (mm) | D50 (mm) | D84 (mm) | D95 (mm) | Sigma Bed Material | Debris Effects | Scour Location | Scour Depth (ft) | Accuracy (ft) | |||||||||||||||||||||||||||||||
| AK | Susitna River | 1 | Susitna River at S.R. 3 near Sunshine, AK | 1 | 6/1/1965 | -- | -- | 8.4 | 80200 | 10.6 | 912 | 5.3 | 80200 | 9.6 | 1580 | -- | -- | -- | Unknown | Unknown | 58 | 70 | 85 | 96 | 1.2 | Unknown | Unknown | 2.6 | 1 | |||||||||||||||||||||||||||||||
| AK | Susitna River | 1 | Susitna River at S.R. 3 near Sunshine, AK | 2 | 7/2/1971 | -- | -- | 6.6 | 74600 | 12.3 | 917 | 4.6 | 74600 | 10.3 | 1580 | -- | -- | -- | Unknown | Unknown | 58 | 70 | 85 | 96 | 1.2 | Unknown | Unknown | 3.6 | 1 | |||||||||||||||||||||||||||||||
| AK | Susitna River | 1 | Susitna River at S.R. 3 near Sunshine, AK | 3 | 8/11/1971 | -- | -- | 10 | 171000 | 18.4 | 928 | 7.3 | 171000 | 14.8 | 1580 | -- | -- | -- | Unknown | Unknown | 58 | 70 | 85 | 96 | 1.2 | Unknown | Unknown | 5.5 | 1 | |||||||||||||||||||||||||||||||
| AK | Tazlina River | 4 | Tazlina River at Richardson Hwy (S.R. 4) nr Glennallen, AK | 1 | 4/22/1969 | -- | -- | 1 | 280 | 2 | 87 | 4.4 | 280 | 0.8 | 85 | -- | -- | -- | Unknown | Unknown | 68 | 90 | 120 | 144 | 1.33 | Unknown | Unknown | 0 | 1 | |||||||||||||||||||||||||||||||
| AK | Tazlina River | 4 | Tazlina River at Richardson Hwy (S.R. 4) nr Glennallen, AK | 2 | 9/2/1971 | -- | -- | 8.7 | 25000 | 7.8 | 369 | 7.5 | 25000 | 8 | 415 | -- | -- | -- | Unknown | Unknown | 68 | 90 | 120 | 144 | 1.33 | Unknown | Unknown | 0 | 1 | |||||||||||||||||||||||||||||||
| AK | Tazlina River | 4 | Tazlina River at Richardson Hwy (S.R. 4) nr Glennallen, AK | 3 | 9/4/1971 | -- | -- | 10.1 | 39400 | 10.3 | 379 | 10.2 | 39400 | 9.2 | 420 | -- | -- | -- | Unknown | Unknown | 68 | 90 | 120 | 144 | 1.33 | Unknown | Unknown | 0.9 | 1 | |||||||||||||||||||||||||||||||
| MT | Yellowstone River | 33 | Yellowstone River at U.S. 89 near Emigrant, MT | 1 | 6/9/1997 | -- | -- | -- | 33300 | 9.79 | 325 | -- | -- | 7.28 | 440 | -- | -- | -- | Unknown | Non-Cohesive | -- | -- | -- | -- | -- | Unknown | Main Channel | 1.25 | 0.5 | |||||||||||||||||||||||||||||||
| MT | Yellowstone River | 33 | Yellowstone River at U.S. 89 near Emigrant, MT | 2 | 6/12/1996 | -- | -- | -- | 31900 | 9.76 | 325 | -- | -- | 6.79 | 440 | -- | -- | -- | Unknown | Non-Cohesive | -- | -- | -- | -- | -- | Unknown | Main Channel | 1 | 0.5 | |||||||||||||||||||||||||||||||
| OH | Great Miami River | 41 | Great Miami River at S.R. 128 at Hamilton, OH | 1 | 5/16/1990 | 10:00 | -- | 3.84 | 21000 | 13.6 | 370 | 4.15 | 20300 | 13.0 | 350 | 0 | 0.027 | 0 | Live-bed | Non-cohesive | 0.097 | 1.1 | 7 | 12 | 8.5 | Unknown | Main Channel | 0.7 | 0.5 | |||||||||||||||||||||||||||||||
| OH | Great Miami River | 41 | Great Miami River at S.R. 128 at Hamilton, OH | 2 | 7/18/1992 | 12:00 | -- | 3.88 | 21700 | 13.8 | 390 | 4.86 | 20600 | 11.6 | 350 | 0 | 0.025 | 0 | Live-bed | Non-cohesive | 0.015 | 0.13 | 7.6 | 15 | 22.5 | Unknown | Main Channel | 2.3 | 0.5 | |||||||||||||||||||||||||||||||
| OH | Scioto River | 46 | Scioto River at S.R. 4 near Prospect, OH | 1 | 12/31/1990 | 11:00 | -- | 2.52 | 3220 | 16.7 | 67 | 1.88 | 5470 | 16.3 | 120 | 0.085 | 0.035 | 0 | Clear-water | Cohesive | 0.094 | 0.43 | 3 | 6.5 | 5.6 | Unknown | Floodplain | 0.5 | 0.5 | |||||||||||||||||||||||||||||||
| OH | Todd Fork | 47 | Todd Fork at S.R. 22 at Morrow, OH | 1 | 5/17/1990 | 9:00 | -- | 6.24 | -- | 10.1 | 150 | 7.63 | -- | 9.6 | 130 | 0.055 | 0.055 | 0 | Live-bed | Non-cohesive | 0.4 | 2.35 | 29 | 45 | 8.4 | Unknown | Main Channel | 0.8 | 0.5 | |||||||||||||||||||||||||||||||
| OH | Todd Fork | 47 | Todd Fork at S.R. 22 at Morrow, OH | 2 | 12/18/1990 | 14:00 | -- | 5.25 | 9290 | 10.8 | 150 | 5.90 | 9430 | 10.9 | 130 | 0.055 | 0.055 | 0 | Live-bed | Non-cohesive | 0.4 | 2.35 | 29 | 45 | 8.4 | Unknown | Main Channel | 0.9 | 0.5 | |||||||||||||||||||||||||||||||
| OH | Clear Creek | 59 | Clear Creek at U.S. 33 near Rockbridge, OH | 1 | 1/28/1994 | 10:00 | -- | 2.81 | 2780 | 13.7 | 65 | 4.12 | 2800 | 12.7 | 45 | 0.007 | 0.090 | 0.674 | Clear-water | Non-cohesive | 0.15 | 4.7 | 4.7 | 19 | 11.3 | Unknown | Floodplain | 1.5 | 0.5 | |||||||||||||||||||||||||||||||
| OH | Grand River | 60 | Grand River at S.R. 84 near Painesville, OH | 1 | 12/31/1992 | 11:00 | -- | 3.71 | 7640 | 6.6 | 312 | 4.41 | 7620 | 6.5 | 235 | 0.220 | 0.060 | -- | Live-bed | Non-cohesive | 0.075 | 1 | 12 | 21 | 12.65 | Unknown | Main Channel | 0.5 | 0.5 | |||||||||||||||||||||||||||||||
| OH | Massies Creek | 63 | Massies Creek at U.S. 68 at Oldtown, OH | 1 | 1/28/1994 | 10:00 | -- | 2.87 | 1010 | 7.1 | 43 | 2.32 | 1330 | 6.3 | 65 | 0.086 | 0.022 | 0.009 | Clear-water | Non-cohesive | 3.6 | 17 | 33 | 54 | 3.02 | Unknown | Floodplain | 0.9 | 0.5 | |||||||||||||||||||||||||||||||
| OH | Maumee River | 64 | Maumee River at U.S. 127 near Sherwood, OH | 1 | 1/6/1993 | 13:00 | -- | 3.28 | 19500 | 19.2 | 285 | 3.00 | 15100 | 19.2 | 150 | 0.075 | 0.038 | 0.060 | Clear-water | Non-cohesive | 0.85 | 7.6 | 20 | 27 | 4.85 | Unknown | Floodplain | 0.5 | 0.5 | |||||||||||||||||||||||||||||||
| OH | Salt Creek | 65 | Salt Creek at U.S. 50 near Londonderry, OH | 1 | 1/28/1994 | 10:00 | -- | 4.03 | 8390 | 18.9 | 100 | 3.89 | 7890 | 18.2 | 82 | 0.095 | 0.064 | 0.116 | Live-bed | Non-cohesive | 0.63 | 2 | 8 | 15 | 3.56 | Unknown | Main Channel | 0.3 | 0.5 | |||||||||||||||||||||||||||||||
| OH | Scioto River | 66 | Scioto River at S.R. 159 at Chillicothe, OH | 1 | 1/29/1994 | 11:00 | -- | 4.00 | 20100 | 16.1 | 300 | 3.65 | 24800 | 14.4 | 425 | 0.05 | 0.053 | 0.253 | Clear-water | Non-cohesive | 0.4 | 3.1 | 53 | 65 | 11.5 | Unknown | Floodplain | 1.5 | 0.5 | |||||||||||||||||||||||||||||||
| OH | Walnut Creek | 71 | Walnut Creek at C.R. 17 near Ashville, OH | 1 | 7/13/1992 | 12:00 | -- | 2.44 | 1510 | 7.5 | 75 | 2.91 | 1890 | 6.8 | 92 | 0 | 0.035 | 0 | Live-bed | Non-cohesive | 0.15 | 1.5 | 3 | 13 | 4.47 | Unknown | Main Channel | 0.8 | 0.5 | |||||||||||||||||||||||||||||||
| OH | Walnut Creek | 71 | Walnut Creek at C.R. 17 near Ashville, OH | 2 | 7/17/1992 | 15:00 | -- | 2.79 | 2450 | 10.3 | 75 | 3.21 | 3180 | 9.5 | 92 | 0 | 0.031 | 0 | Live-bed | Non-cohesive | 0.15 | 1.5 | 3 | 13 | 4.47 | Unknown | Main Channel | 0.8 | 0.5 | |||||||||||||||||||||||||||||||
| MN | Minnesota River | 72 | Minnesota River at CR 14 near Lac qui Parle, MN | 1 | 4/5/1997 | 18:30 | -- | 3.60 | 11800 | 25.9 | 185 | -- | -- | 22.1 | -- | -- | -- | -- | Unknown | Unknown | -- | -- | -- | -- | -- | Insignificant | Unknown | 3.9 | 1.5 | |||||||||||||||||||||||||||||||
| MN | Pomme De Terre | 73 | Pomme De Terre River at CR 22 near Fairfield, MN | 1 | 4/4/1997 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Live-bed | Non-cohesive | -- | -- | -- | -- | -- | Unknown | Main Channel | 0 | 1.0 | |||||||||||||||||||||||||||||||
| MN | Pomme De Terre | 73 | Pomme De Terre River at CR 22 near Fairfield, MN | 2 | 4/5/1997 | -- | -- | 4.23 | 4570 | 10.1 | 107 | -- | -- | -- | -- | -- | -- | -- | Live-bed | Non-cohesive | -- | -- | -- | -- | -- | Unknown | Main Channel | 0 | 1.0 | |||||||||||||||||||||||||||||||
| MN | Pomme De Terre | 73 | Pomme De Terre River at CR 22 near Fairfield, MN | 3 | 4/9/1997 | -- | -- | 3.79 | 5150 | 12.5 | 109 | -- | -- | -- | -- | -- | -- | -- | Live-bed | Non-cohesive | -- | -- | -- | -- | -- | Unknown | Main Channel | 0 | 1.0 | |||||||||||||||||||||||||||||||
| MN | Middle Fork Crow River | 77 | Middle Fork Crow River at S.R. 4 near Manannah, MN | 1 | 4/8/1997 | 16:00 | -- | 4.40 | 646 | -- | 20 | -- | 646 | -- | 30 | -- | -- | -- | Unknown | Unknown | -- | -- | -- | -- | -- | Unknown | Unknown | 1.5 | 1.0 | |||||||||||||||||||||||||||||||
| MN | Pomme De Terre River | 78 | Pomme De Terre River at U.S. 12 near Holloway, MN | 1 | 4/5/1997 | 11:30 | -- | 4.80 | 5000 | 12.1 | 88 | 3.40 | 1800 | 7.9 | 70 | 0.640 | -- | -- | Live-bed | Mildly | -- | 0.15 | 0.2 | 0.3 | 1.5 | Unknown | Main Channel | 3.1 | 2.0 | |||||||||||||||||||||||||||||||
| MN | Pomme De Terre River | 78 | Pomme De Terre River at U.S. 12 near Holloway, MN | 2 | 4/9/1997 | 16:00 | -- | 2.70 | 5750 | 24.0 | 88 | -- | -- | -- | -- | -- | -- | -- | Live-bed | Mildly | -- | 0.15 | 0.2 | 0.3 | 1.5 | Unknown | Main Channel | 10.5 | 2.0 | |||||||||||||||||||||||||||||||
| MN | Pomme De Terre River | 78 | Pomme De Terre River at U.S. 12 near Holloway, MN | 3 | 4/9/1997 | 14:00 | -- | 2.80 | 5750 | 23.6 | 88 | -- | -- | -- | -- | -- | -- | -- | Live-bed | Mildly | -- | 0.15 | 0.2 | 0.3 | 1.5 | Unknown | Main Channel | 12.5 | 2.0 | |||||||||||||||||||||||||||||||
| MN | Pomme De Terre River | 78 | Pomme De Terre River at U.S. 12 near Holloway, MN | 4 | 4/9/1997 | 14:00 | -- | 3.80 | 5750 | 17.3 | 88 | -- | -- | -- | -- | -- | -- | -- | Live-bed | Mildly | -- | 0.15 | 0.2 | 0.3 | 1.5 | Unknown | Main Channel | 4.5 | 2.0 | |||||||||||||||||||||||||||||||
| MO | Chariton River | 80 | Chariton River near Prairie Hill, MO | 1 | 3/29/1960 | -- | -- | 6.49 | 18176 | 17.1 | 163.7 | 5.70 | 17952 | 15.7 | 200 | 0.818 | -- | -- | Live-bed | Unknown | -- | -- | -- | -- | -- | Substantial | Main Channel | 1.2 | -- | |||||||||||||||||||||||||||||||
| MO | Chariton River | 80 | Chariton River near Prairie Hill, MO | 2 | 4/22/1973 | -- | -- | 4.94 | 17339 | 20.9 | 167.8 | 7.46 | 28324 | 19.0 | 200 | 0.839 | -- | -- | Live-bed | Unknown | -- | -- | -- | -- | -- | Substantial | Main Channel | -6.8 | -- | |||||||||||||||||||||||||||||||
| MO | Chariton River | 80 | Chariton River near Prairie Hill, MO | 3 | 5/8/1978 | -- | -- | 6.68 | 21330 | 19.7 | 162 | 7.29 | 26351 | 18.1 | 200 | 0.810 | -- | -- | Live-bed | Unknown | -- | -- | -- | -- | -- | Substantial | Main Channel | -2.3 | -- | |||||||||||||||||||||||||||||||
| MO | Chariton River | 80 | Chariton River near Prairie Hill, MO | 4 | 7/8/1993 | -- | -- | 7.45 | 22578 | 18.8 | 160.9 | 6.88 | 23913 | 17.4 | 200 | 0.804 | -- | -- | Live-bed | Unknown | -- | -- | -- | -- | -- | Substantial | Main Channel | 0.4 | -- | |||||||||||||||||||||||||||||||
| MO | Chariton River | 80 | Chariton River near Prairie Hill, MO | 5 | 5/24/1995 | -- | -- | 6.36 | 20579 | 20.0 | 161.9 | 7.34 | 26795 | 18.3 | 200 | 0.810 | -- | -- | Live-bed | Unknown | -- | -- | -- | -- | -- | Substantial | Main Channel | -3.1 | -- | |||||||||||||||||||||||||||||||
| IA | Cedar River | 81 | Cedar River at US 218 near Janesville, IA | 1 | 7/23/1999 | 15:15 | -- | 5.6 | 24200 | 24.6 | 190 | 5.2 | 24800 | 22.6 | 210 | 0.29 | 0.032 | -- | Live-bed | Non-Cohesive | -- | -- | -- | -- | -- | Unknown | Main Channel | 2 | 0.5 | |||||||||||||||||||||||||||||||
| MN | Minnesota River | 82 | Highway 25 over Minnesota River at Belle Plaine, MN | 1 | 4/17/2001 | -- | -- | 4 | 69800 | 49.0 | 390 | 3.9 | 48200 | 43 | 300 | 0.7 | -- | 0.2 | Live-bed | Non-Cohesive | -- | -- | -- | -- | -- | Unknown | Main Channel | 15 | 2 | |||||||||||||||||||||||||||||||
| SD | James River | 83 | SR 37 over James River near Mitchell, SD | 1 | 4/15/2001 | -- | -- | 4.2 | 13900 | 18.0 | 206 | 3.5 | 6730 | 17.8 | 110 | 0.48 | -- | 0.05 | Live-bed | Unknown | -- | -- | -- | -- | -- | Insignificant | Main Channel | 3 | 1 | |||||||||||||||||||||||||||||||
| SD | James River | 84 | 247 Street over James River near Mitchell, SD | 1 | 4/14/2001 | -- | -- | 6 | 13900 | 13.8 | 240 | -- | -- | -- | -- | -- | -- | -- | Live-bed | Unknown | -- | -- | -- | -- | -- | Insignificant | Main Channel | 1 | 1 | |||||||||||||||||||||||||||||||
| MT | Bitterroot River | 85 | Bitterroot River near Darby, MT | 1 | 6/11/1996 | -- | -- | 7.4 | 7390 | 6.9 | 151 | 7.5 | 8787 | 5.9 | 180 | 0.98 | -- | 0 | Clear-water | Non-Cohesive | 8.7 | 42 | 70 | 109 | 2.84 | Moderate | Main Channel | 0.7 | 0.2 | |||||||||||||||||||||||||||||||
| MT | Bitterroot River | 86 | Bitterroot River at Bell Crossing near Victor, MT | 1 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Unknown | Non-Cohesive | -- | -- | -- | -- | -- | Unknown | Main Channel | -- | -- | |||||||||||||||||||||||||||||||
| MT | Bitterroot River | 86 | Bitterroot River at Bell Crossing near Victor, MT | 2 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Unknown | Unknown | -- | -- | -- | -- | -- | Unknown | Unknown | -- | -- | |||||||||||||||||||||||||||||||
| MT | Beaver Creek | 87 | Beaver Creek Overflow 7 Miles West of Saco. MT | 1 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Clear-water | Unknown | -- | -- | -- | -- | -- | Insignificant | Floodplain | 4.5 | 0.5 | |||||||||||||||||||||||||||||||
| MT | Beaver Creek | 88 | Beaver Creek Overflow 9 Miles West of Saco. MT | 1 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Clear-water | Unknown | -- | -- | -- | -- | -- | Insignificant | Floodplain | 3.25 | 0.5 | |||||||||||||||||||||||||||||||
| MT | Gallatin River | 89 | Gallatin River near Manhattan, MT | 1 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Unknown | Non-Cohesive | -- | -- | -- | -- | -- | Moderate | Unknown | -- | -- | |||||||||||||||||||||||||||||||
| MS | Conehoma Creek | 91 | Conehoma Creek at State Highway 35, near Kosciusko, MS | 1 | -- | -- | -- | 9.27 | 8973 | 12.9 | 76 | 0.95 | 10200 | 14.2 | 42 | -- | -- | -- | Live-bed | Non-Cohesive | 0.017 | 0.1 | 0.3 | -- | -- | Insignificant | Main Channel | 4 | 1 | |||||||||||||||||||||||||||||||
| MS | Conehoma Creek | 91 | Conehoma Creek at State Highway 35, near Kosciusko, MS | 2 | -- | -- | -- | 9.25 | 6750 | 9.4 | 75 | 0.68 | 6750 | 13.8 | 42 | -- | -- | -- | Live-bed | Non-Cohesive | -- | -- | -- | -- | -- | Insignificant | Main Channel | 6 | 3 | |||||||||||||||||||||||||||||||
| AK | Knik River | 92 | Knik River at Old Glenn Highway near Palmer, AK | 1 | -- | -- | -- | -- | -- | -- | -- | -- | -- | Live-bed | Non-Cohesive | -- | -- | -- | -- | -- | Insignificant | Main Channel | 7.5 | 2 | ||||||||||||||||||||||||||||||||||||
| WA | Chehalis River | 93 | Galvin Road Overflow Bridge for the Chehalis River near Centralia, WA | 1 | -- | -- | -- | 7.6 | 25000 | 9.31 | 359 | 2.7 | 13990 | 6.31 | 400 | -- | -- | -- | Clear-water | Non-Cohesive | -- | -- | -- | -- | -- | Unknown | Floodplain | 3 | 2 | |||||||||||||||||||||||||||||||
| WA | Chehalis River | 93 | Galvin Road Overflow Bridge for the Chehalis River near Centralia, WA | 2 | -- | -- | -- | 9.1 | 30000 | 9.33 | 360 | 3 | 16600 | 6.33 | 400 | -- | -- | -- | Clear-water | Non-Cohesive | -- | -- | -- | -- | -- | Unknown | Floodplain | 3 | 2 | |||||||||||||||||||||||||||||||
| U.S. Department of the Interior, U.S. Geological Survey - Kentucky District | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Tuesday, June 13, 2000 09:53 AMLast update: | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| URL: http://ky.water.usgs.gov/Bridge_Scour/BSDMS/Data_Tables/ContractionScourTable.htm | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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