link to water.usgs.gov
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 
Link to FirstGov website