Enhanced Abutment Scour Studies for Compound Channels

APPENDIX A. WSPRO INPUT AND OUTPUT FOR BURDELL CREEK, HIGHWAY 22 BRIDGE OVER POMME DE TERRE RIVER, AND HIGHWAY 12 BRIDGE OVER POMME DE TERRE RIVER

Table 4. WSPRO input data file for Burdell Creek, Q₁₀₀.

---

T1 ABUTMENT SCOUR EXAMPLE

*

Q 14000

SK 0.001

*

XS EXIT 750 0.0 0.5 0.0 0.001

GR 0, 19 100, 15 200, 11 500, 10.75 900, 10 1100, 9.0

GR 1215, 5.5 1250, 4.9 1300, 3.05 1350, 4.85 1385, 5.1

GR 1500, 9.0 1700, 10 2100, 10.75 2400, 11 2500, 15

GR 2600, 19

N 0.042 0.032 0.042

SA 1100 1500

*

XS FULV 1500 0.0 0.5 0.0

*

BR BRDG 1500 * 0.0 0.5 0.0 *

BL 0 750 1100 1500

BC 18

CD 3 50 2 22 0.0 0.0 0.0

AB 2 2

PD 0 5.65 30 6

N 0.042 0.032 0.042

SA 1100 1500

*

XS APPR 2300 0.0 0.5 0.0

*

HP 2 APPR 13.25 0 13.25 14000

HP 2 APPR 13.64 0 13.64 14000

*

DA BRDG 1 1 * * 14000 1

*

EX 0

ER

 

Table 5. WSPRO water-surface profile output for Burdell Creek, Q₁₀₀.

************** W S P R O *************** Federal Highway Administration - U.S. Geological Survey Model for Water-Surface Profile Computations. Input Units: English / Output Units: English
ABUTMENT SCOUR EXAMPLE
	WSEL	VHD	Q	AREA	SRDL	LEW
	EGEL	HF	V	K	FLEN	REW
	CRWS	HO	FR #	SF	ALPHA	ER
Section: EXIT	11.696	.268	14000.000	4721.088	********	182.604
Header Type: XS	11.964	******	2.965	442473.00	********	2417.396
SRD: 750.00	9.447	******	.504	******	1.960	******
Section: FULV	12.449	.267	14000.000	4728.060	750.000	182.526
Header Type: FV	12.716	.750	2.961	443183.70	750.000	2417.474
SRD: 1500.000	10.197	.000	.502	.0010	1.959	.003

The Preceding Data Reflect The "Unconstricted" Profile
Section: APPR	13.250	.267	14000.000	4730.357	800.000	182.500
Header Type: AS	13.517	.798	2.960	443418.00	800.000	2417.500
SRD: 2300.000	10.997	.000	.502	.0010	1.959	.003

The Preceding Data Reflect The "Unconstricted" Profile The Following Data Reflect The "Constricted" Profile Beginning Bridge/Culvert Hydraulic Computations
	WSEL	VHD	Q	AREA	SRDL	LEW
	EGEL	HF	V	K	FLEN	REW
	CRWS	HO	FR #	SF	ALPHA	ERR
Section: BRDG	12.470	.470	14000.000	3038.370	750.000	936.685
Header Type: BR	12.940	.921	4.608	386306.30	750.000	1663.315
SRD: 1500.000	10.668	.055	.474	******	1.424	-.004

Specific Bridge Information		C	P/A	PFELEV	BLEN	XLAB	XRAB
Bridge Type 3 Flow Type 1		----	----	----	----	----	----
Pier/Pile Code 0		.8380	.067	18.000	750.000	940.750	659.250

	WSEL	VHD	Q	AREA	SRDL	LEW
	EGEL	HF	V	K	FLEN	REW
	CRWS	HO	FR #	SF	ALPHA	ERR
Section APPR	13.635	.186	14000.000	5595.480	750.000	172.865
Header Type: AS	13.822	.780	2.502	536819.40	776.571	2427.135
SRD: 2300.000	10.997	.100	.387	.0010	1.914	-.017

Approach Section APPR Flow Contraction Information

M ( G )	M ( K )	KQ	XLKQ	XRKQ	OTEL
.675	.189	438924.8	938.577	1661.368	13.635

Table 6. Velocity distribution from HP record for unconstricted flow at approach section, Burdell Creek, Q₁₀₀.

************************* W S P R O *************************** Federal Highway Administration U.S. Geological Survey Model for Water Surface Profile Computations. Input Units: English / Output Units: English ABUTMENT SCOUR EXAMPLE
*** Beginning Velocity Distribution For Header Record APPR *** SRD Location: 2300.000 Header Record Number 4 Water-Surface Elevation: 13.250 Element # 1 Flow: 14000.000 Velocity: 2.96 Hydraulic Depth: 2.116 Cross Section Area: 4730.38 Conveyance: 443419.90 Bank Stations -> Left: 182.500 Right: 2417.500
X STA.	182.5	803.7	1045.3	1141.7	1181.9	1209.7
A ( I )		628.6	454.8	279.4	184.1	156.0
V ( I )		1.11	1.54	2.51	3.80	4.49
D ( I )		1.01	1.88	2.90	4.58	5.62
X STA.	1209.7	1232.9	1253.5	1271.9	1288.1	1302.5
A ( I )		146.1	138.2	133.4	128.5	121.2
V ( I )		4.79	5.07	5.25	5.45	5.77
D ( I )		6.30	6.69	7.27	7.91	8.46
X STA.	1317.4	1333.9	1352.7	1373.2	1394.8
A ( I )		124.2	127.1	133.8	141.8
V ( I )		5.64	5.51	5.23	5.07	4.94
D ( I )		8.29	7.73	7.10	6.76	6.55
X STA.	1394.8	1421.9	1458.5	1558.5	1799.0	2417.5
A ( I )		157.2	172.9	290.7	449.8	624.5
V ( I )		4.45	4.05	2.41	1.56	1.12
D ( I )		4.43	4.73	2.91	1.87	1.01

Table 7. Velocity distribution from HP record for constricted flow at approach section, Burdell Creek, Q₁₀₀.

************************* W S P R O *************************** Federal Highway Administration U.S. Geological Survey Model for Water Surface Profile Computations. Input Units: English / Output Units: English ABUTMENT SCOUR EXAMPLE
*** Beginning Velocity Distribution For Header Record APPR *** SRD Location: 2300.000 Header Record Number 4 Water-Surface Elevation: 13.640 Element # 1 Flow: 14000.000 Velocity: 2.50 Hydraulic Depth: 2.487 Cross Section Area: 5605.83 Conveyance: 537996.80 Bank Stations -> Left: 172.750 Right: 2427.250
X STA.	172.7	684.7	945.3	1101.6	1161.2	1195.4
A ( I )		658.8	506.4	423.1	241.3	187.3
V ( I )		1.06	1.38	1.65	290	3.74
D ( I )		1.29	1.94	2.71	4.05	5.47
X STA.	1195.4	1223.0	1246.6	1268.0	1286.0	1302.5
A ( I )		176.6	163.5	159.7	147.8	144.8
V ( I )		3.96	4.28	4.38	4.74	4.83
D ( I )		6.40	6.93	7.47	8.19	8.81
X STA.	1302.5	1319.1	1338.0	1359.2	1382.3	1407.8
A ( I )		143.9	151.0	156.4	163.7	169.5
V ( I )		4.87	4.64	4.48	4.28	4.13
D ( I )		8.65	8.01	7.35	7.09	6.64
X STA.	1407.8	1441.5	1497.0	1658.1	1917.6	2427.3
A ( I )		1901.1	229.2	435.6	1917.6	2427.3
V ( I )		3.68	3.05	1.61	1.39	1.07
D ( I )		5.64	4.13	2.70	1.94	1.29

Table 8. WSPRO input data file for Highway 22 bridge.

*F
SI 0
T1 BRIDGE 76518
T2 HIGHWAY 22 OVER POMME DE TERRE RIVER
T3 EXISTING BRIDGE, 1997 FLOOD ANALYSIS, BEFORE SCOUR
J1 0.25
Q 5150
WS 1040.96
* TEMPLATE SECTION AT BRIDGE, FULL VALLEY
XT FV 1020
GR 2106.1,1042.1 2094.9,1041.8 2090.5,1041.5 2080.7,1041.0 2040.1,1039.3
GR 2003.4,1037.5 1916.3,1037.0 1911.3,1037.0 1907.3,1037.1 1905.9,1036.3
GR 1904.1,1035.8 1903.5,1035.1 1903.4,1034.4 1903.3,1033.7 1901.3,1032.9
GR 1900.5,1032.0 1900.3,1031.2 1897.1,1031.1 1891.6,1030.8 1885.6,1030.6
GR 1878.8,1030.4 1875.8,1030.2 1871.2,1029.9 1866.8,1029.7 1861.7,1029.4
GR 1855.9,1029.3 1849.3,1029.7 1845.9,1030.1 1841.9,1030.4 1834.4,1031.2
GR 1829.6,1031.6 1825.4,1032.0 1819,1032.5 1813.8,1033 1778.3,1033.1
GR 1757.4,1033.4 1730.9,1033.3 1700.4,1033.8 1651.6,1035.1 1603.5,1036.4
GR 1546.7,1036.6 1503.1,1036.9 1405.6,1037.4 1351.8,1038.2 1329.4,1038.5
GR 1318.1,1038.7 1307.3,1039 1298.7,1039.3 1289.8,1039.6 1278.8,1040
GR 1271.4,1040.3 1259.1,1040.6 1248.1,1040.9 1238.3,1041.2 1229.4,1041.5
GR 1219.6,1041.8 1211.8,1042.1 1206.6,1042.6 1197.7,1042.9 1188.1,1043.6
*
XS EXIT 900
GT +0.60
N 0.08 0.035 0.08
SA 1910 1790
*
XS FULV 1020 * * * 0.005
*
BR BRGE 1020 1041.21
GR 1910,1041.2 1908,1039.2 1903,1037.7 1897,1034 1891.6,1030.8
GR 1885.6,1030.6 1878.8,1030.4 1875.8,1030.2 1871.2,1029.9 1866.8,1029.7
GR 1861.7,1029.4 1855.9,1029.3 1849.3,1029.7 1845.9,1030.1 1841.9,1030.4
GR 1834.4,1031.2 1829.6,1031.6 1825.4,1032 1819,1032.5 1813.8,1033
GR 1803,1033.5 1798,1035.7 1793,1039.2 1790,1041.2 1910,1041.2
N 0.035
*
PW 0 1029.8,1.5 1031.7,1.5 1031.7,3
* TYPE BRWDTH EMBSS EMBELEV
CD 3 40 2 1045.4
KQ * * * 1910 1790
*
HP 2 BRGE 1040.82 * * 5150
*
XS APPR 1180
N 0.05 0.035 0.05
SA 1910 1790
*
HP 2 APPR 1041.08 * * 5150
HP 2 APPR 1041.56 * * 5150
*
EX
ER

Table 9. WSPRO water-surface profile output for Highway 22 bridge.

************** W S P R O *************** Federal Highway Administration - U.S. Geological Survey Model for Water-Surface Profile Computations. Input Units: English / Output Units: English BRIDGE: 76518 HIGHWAY 22 OVER POMME DE TERRE RIVER EXISTING BRIDGE, 1997 FLOOD ANALYSIS, BEFORE SCOUR
	WSEL	VHD	Q	AREA	SRDL	LEW
	EGEL	HF	V	K	FLEN	REW
	CRWS	HO	FR #	SF	ALPHA	ER
Section: EXIT	1040.960	.097	5150.000	3511.259	********	-2065.417
Header Type: XS	1041.057	******	1.467	298703.30	********	-1268.937
SRD: 900.00	1035.804	******	.210	******	2.894	******
Section: FULV	1041.014	.073	5150.000	4045.370	120.000	-2080.970
Header Type: FV	1041.087	.030	1.273	352758.00	120.000	-1244.383
SRD: 1020.000	1035.204	.000	.174	.0003	2.908	.000

The Preceding Data Reflect The "Unconstricted" Profile 135 CONVEYANCE RATIO OUTSIDE OF RECOMMENDED LIMITS AT “APPR”. KRATIO: 1.54
Section: APPR	1041.079	.030	5150.0000	4787.963	160.000	-2097.845
Header Type: AS	1041.109	.022	1.076	544559.30	160.000	-1217.549
SRD: 118.000	1034.376	.000	.106	.0001	1.684	.000

The Preceding Data Reflect The "Unconstricted" Profile The Following Data Reflect The "Constricted" Profile Beginning Bridge/Culvert Hydraulic Computations ===220 FLOW CLASS 1 ( 4 ) SOLUTION INDICATES POSSIBLE PRESSURE FLOW. WS3, WSIU, WS1, PFELV: 1040.82 1041.52 1041.55 1041.21 ===245 ATTEMPTING FLOW CLASS 2 ( 5 ) SOLUTION. ===250 INSUFFICIENT HEAD FOR PRESSURE FLOW. YU/Z, WSIU, WS: 1.06 1041.70 1041.76 ===270 REJECTED FLOW CLASS 2 ( 5 ) SOLUTION.
	WSEL	VHD	Q	AREA	SRDL	LEW
	EGEL	HF	V	K	FLEN	REW
	CRWS	HO	FR #	SF	ALPHA	ERR
Section: BRDG	1040.825	.673	5150.000	1014.368	120.000	-1909.625
Header Type: BR	1041.498	.063	5.077	174703.30	120.000	-1790.563
SRD: 1020.000	1035.708	.378	.397	******	1.678	.000

Specific Bridge Information		C	P/A	PFELEV	BLEN	XLAB	XRAB
Bridge Type 3 Flow Type 1		----	----	----	----	----	----
Pier/Pile Code 0		.7719	.030	1041.210	******	******	******

	WSEL	VHD	Q	AREA	SRDL	LEW
	EGEL	HF	V	K	FLEN	REW
	CRWS	HO	FR #	SF	ALPHA	ERR
Section APPR	1041.555	.025	5150.000	5212.262	120.000	-2106.100
Header Type: AS	1041.580	.038	.988	611618.10	149.347	-1209.151
SRD: 1180.000	1034.376	.044	.093	.0001	1.647	.000

Approach Section APPR Flow Contraction Information

M ( G )	M ( K )	KQ	XLKQ	XRKQ	OTEL
.864	.664	205746.	******	******	1041.555

Table 10. Velocity distribution from HP record for constricted flow at approach section, Burdell Creek, Q₁₀₀.

************************* W S P R O *************************** Federal Highway Administration U.S. Geological Survey Model for Water Surface Profile Computations. Input Units: English / Output Units: English
BRIDGE 76518 HIGHWAY 22 OVER POMME DE TERRE RIVER EXISTING BRIDGE, 1997 FLOOD ANALYSIS, BEFORE SCOUR *** Beginning Velocity Distribution For Header Record APPR *** SRD Location: 1180.000 Header Record Number 4 Water-Surface Elevation: 1041.080 Element # 1 Flow: 5150.000 Velocity: 1.08 Hydraulic Depth: 5.440 Cross Section Area: 4788.92 Conveyance: 544702.60 Bank Stations -> Left: -2097.886 Right: -1217.521
X STA.	-2097.9	-1951.7	-1898.1	1885.5	-1874.3	-1864.0
A ( I )		439.4	286.6	138.3	129.1	124.7
V ( I )		.59	.90	1.86	1.99	2.07
D ( I )		3.01	5.34	11.04	11.48	12.07
X STA.	-1864.0	-1854.1	-1843.7	-1832.0	-1817.9	-1800.8
A ( I )		123.3	125.6	129.5	139.2	151.8
V ( I )		2.09	2.05	1.99	1.85	1.70
D ( I )		12.50	12.08	11.05	9.87	8.91
X STA.	-1800.8	-1780.6	-1753.6	-1725.3	-1694.6	-1658.4
A ( I )		178.8	232.2	241.8	252.8	269.2
V ( I )		1.44	1.11	1.06	1.02	.96
D ( I )		8.81	8.62	8.54	8.23	7.44
X STA.	-1658.4	-1611.9	-1551.5	-1484.9	-1404.4	-1217.5
A ( I )		294.6	327.1	339.1	376.9	488.9
V ( I )		.87	.79	.76	.68	.53
D ( I )		6.34	5.42	5.09	4.68	2.62

Table 11. Velocity distribution from HP record for constricted flow at approach section, Highway 22 bridge.

************************* W S P R O *************************** Federal Highway Administration U.S. Geological Survey Model for Water Surface Profile Computations. Input Units: English / Output Units: English
BRIDGE 76518 HIGHWAY 22 OVER POMME DE TERRE RIVER EXISTING BRIDGE, 1997 FLOOD ANALYSIS, BEFORE SCOUR *** Beginning Velocity Distribution For Header Record APPR *** SRD Location: 1180.000 Header Record Number 4 Water-Surface Elevation: 1041.560 Element # 1 Flow: 5150.000 Velocity: .99 Hydraulic Depth: 5.816 Cross Section Area: 5217.09 Conveyance: 612424.90 Bank Stations -> Left: -2106.100 Right: -1209.095
X STA.	-2106.1	-1958.7	-1899.9	-1886.7	-1874.7	-1863.8
A ( I )		476.5	327.6	152.2	142.2	137.3
V ( I )		.54	.79	1.69	1.81	1.88
D ( I )		3.23	5.57	11.46	11.93	12.54
X STA.	-1863.8	-1853.3	-1842.5	-1830.0	-1814.5	-1796.9
A ( I )		135.7	134.8	142.0	157.3	164.5
V ( I )		1.90	1.91	1.81	1.64	1.57
D ( I )		12.98	12.48	11.38	10.12	9.364
X STA.	-1796.9	-1774.0	-1745.5	-1716.7	-1684.8	-1645.8
A ( I )		212.0	257.4	258.9	272.6	296.9
V ( I )		1.21	1.00	.99	.94	.87
D ( I )		9.28	9.04	8.99	8.53	7.62
X STA.	-1645.8	-1595.5	-1536.5	-1470.1	-1392.8	-1209.1
A ( I )		324.2	343.6	363.4	393.1	524.8
V ( I )		.79	.75	.71	.66	.49
D ( I )		6.44	5.83	5.48	5.08	2.86

Table 12. WSPRO input data file for Highway 12 bridge.

*F
SI 0
T1 BRIDGE 5359
T2 TH 12 OVER POMME DE TERRE RIVER
T3 **** EXISTING BRIDGE BEFORE SCOUR, 1997 FLOOD ANALYSIS ****
J1 0.25
Q 5750
WS 992.8
* FIELD SURVEYED X SEC. 75' DOWNSTREAM FROM BRIDGE 5359
XS DS100 25
GR 640,1004.09 640,994.49 675,989.09
* 750,987.19 800,1005.0 800,989.29 850,989.19 900,989.89
GR 940,988.79 953,988.19
GR 954,983.36 965,982.56 985,983.06 1000,982.16 1025,980.56
GR 1036,981.06 1046,983.26 1047,986.09 1053,986.69 1060,988.09
GR 1100,989.09 1200,987.89 1300,987.49 1312,991.79 1320,1005.0
N 0.08 0.03 0.08
SA 953 1047
* FULL VALLEY X SEC. COMPOSED FROM PROPAGATING XS DS100 UP TO
* BRIDGE AND SUPERIMPOSING THE SURVEYED BRIDGE OPENING
XS FULLV 100
GR 600,1004.09 640,994.49 675,989.09
GR 940,988.79 953,988.19
GR 954,983.26 956,981.48 980,981.85 1000,981.54 1020,981.39
GR 1044,980.19 1046,983.26 1047,986.09 1053,986.69 1060,988.09
GR 1100,989.09 1200,987.89 1300,987.49 1312,991.79 1320,1005.0
* BRIDGE DEFINITION RECORDS FOLLOW
BR BRDGE 100, 994.86
GR 956,994.86 956,981.48 980,981.85 1000,981.54
GR 1020,981.39 1044,980.19 1044,994.67 956,994.86
N 0.035
* BRTYPE BRWIDTH EMBSS EMBELV WWANGL WWWID
CD 4 51 3 998 45
KQ *,*,*, 956, 1044
*
XR ROAD 125, 50
GR 454,1018.39 554,1012.83 654,1007.87 754,1004.34 854,1001.74
GR 954,999.09 1045,998.18 1146,997.44 1246,996.98 1346,996.03
GR 1446,994.89 1546,994.09 1646,993.71 1746,993.45 1846,993.50
GR 1946,993.55 2046,993.83 4689,1003.83
* IHP SEC ELMIN YINC ELMAX Q
HP 2 BRDGE 992.63 * * 5750
AS APPR 325
GR 500,1005.36 570,990.45 600,988.35
GR 700,987.75 785,987.85 890,987.8 960,987.8 966,986.95
GR 976,983.09 1024,983.09 1035,986.35 1270,987.15 1380,988.85
GR 1520,989.75 2000,991.75 2300,1004.0
N 0.080 0.05 0.030 0.05 0.080
SA 950 966 1035 1100
* IHP SEC ELMIN YINC ELMAX Q
HP 2 APPR 993.05 * * 5750
HP 2 APPR 993.40 * * 5750
EX
ER

Table 13. WSPRO water-surface profile output for Highway 22 bridge.

************** W S P R O *************** Federal Highway Administration - U.S. Geological Survey Model for Water-Surface Profile Computations. Input Units: English / Output Units: English BRIDGE: 5359 TH 12 OVER POMME DE TERRE RIVER ***** EXISTING BRIDGE, 1997 FLOOD ANALYSIS *****
	WSEL	VHD	Q	AREA	SRDL	LEW
	EGEL	HF	V	K	FLEN	REW
	CRWS	HO	FR #	SF	ALPHA	ERR
Section: EXIT	992.800	.245	5750.000	2281.291	********	940.000
Header Type: XS	993.045	******	2.521	295141.50	********	1312.612
SRD: 25.000	987.030	******	.283	******	2.483	******
Section: FULV	992.923	.145	5750.000	3492.329	75.000	650.158
Header Type: FV	993.068	.023	1.646	373264.60	75.000	1312.686
SRD: 100.000	986.366	.000	.234	.0003	3.435	.000

The Preceding Data Reflect The "Unconstricted" Profile
Section: APPR	993.048	.048	5750.000	6355.054	225.000	557.801
Header Type: AS	993.097	.046	.905	437889.90	225.000	2031.796
SRD: 325.000	989.048	.000	.150	.0002	3.791	-.017

The Preceding Data Reflect The "Unconstricted" Profile The Following Data Reflect The "Constricted" Profile Beginning Bridge/Culvert Hydraulic Computations
	WSEL	VHD	Q	AREA	SRDL	LEW
	EGEL	HF	V	K	FLEN	REW
	CRWS	HO	FR #	SF	ALPHA	ERR
Section: BRIDGE	992.637	.647	5750.000	989.807	75.000	956.017
Header Type: BR	993.284	.052	5.809	180129.70	75.000	1044.086
SRD: 100.000	986.485	.185	.339	******	1.233	-.017

Specific Bridge Information		C	P/A	PFELEV	BLEN	XLAB	XRAB
Bridge Type 4 Flow Type 1		----	----	----	----	----	----
Pier/Pile Code ***		.9006	.000	994.860	******	******	******

	WSEL	VHD	Q	AREA	SRDL	LEW
	EGEL	HF	V	K	FLEN	REW
	CRWS	HO	FR #	SF	ALPHA	ERR
Section APPR	993.401	.040	5750.000	6876.729	174.000	556.146
Header Type: AS	993.441	.093	.836	487502.70	222.813	2040.433
SRD: 325.000	989.048	.066	.131	.0002	3.638	.013

Approach Section APPR Flow Contraction Information

M ( G )	M ( K )	KQ	XLKQ	XRKQ	OTEL
.940	.665	162782.2	971.035	1059.104	993.377

Table 14. Velocity distribution from HP record for constricted flow at approach section, Highway 12 bridge.

************************* W S P R O *************************** Federal Highway Administration U.S. Geological Survey Model for Water Surface Profile Computations. Input Units: English / Output Units: English
BRIDGE 5359 HIGHWAY 12 OVER POMME DE TERRE RIVER EXISTING BRIDGE, 1997 FLOOD ANALYSIS, BEFORE SCOUR *** Beginning Velocity Distribution For Header Record APPR *** SRD Location: 325.000 Header Record Number 4 Water-Surface Elevation: 993.050 Element # 1 Flow: 5150.000 Velocity: .90 Hydraulic Depth: 4.313 Cross Section Area: 6357.50 Conveyance: 438116.30 Bank Stations -> Left: 557.794 Right: 2031.836
X STA.	557.8	668.9	742.2	819.3	893.2	961.6
A ( I )		463.3	384.6	402.5	386.9	359.0
V ( I )		.62	.75	.71	.74	.80
D ( I )		4.17	5.25	5.22	5.23	5.25
X STA.	962.6	977.9	987.5	997.2	1006.8	1016.5
A ( I )		124.5	96.1	96.8	95.7	95.7
V ( I )		2.31	2.99	2.97	3.00	3.00
D ( I )		7.64	9.96	9.96	9.96	9.96
X STA.	1016.5	1026.4	1047.5	1079.6	1121.4	1182.3
A ( I )		98.3	152.2	211.7	270.9	383.8
V ( I )		2.93	1.89	1.36	1.06	.75
D ( I )		9.87	7.21	6.60	6.48	6.30
X STA.	1182.3	1249.8	1329.2	1451.5	1635.2	2031.8
A ( I )		410.3	442.1	517.5	593.6	772.2
V ( I )		.70	.65	.56	.48	.37
D ( I )		6.08	5.57	4.23	3.23	1.95

Table 15. Velocity distribution from HP record for constricted flow at approach section, Highway 12 bridge.

************************* W S P R O *************************** Federal Highway Administration U.S. Geological Survey Model for Water Surface Profile Computations. Input Units: English / Output Units: English
BRIDGE 5359 HIGHWAY 12 OVER POMME DE TERRE RIVER EXISTING BRIDGE, 1997 FLOOD ANALYSIS, BEFORE SCOUR *** Beginning Velocity Distribution For Header Record APPR *** SRD Location: 325.000 Header Record Number 5 Water-Surface Elevation: 993.400 Element # 1 Flow: 5750.000 Velocity: .84 Hydraulic Depth: 4.632 Cross Section Area: 6875.20 Conveyance: 487355.20 Bank Stations -> Left: 556.150 Right: 2040.409
X STA.	556.2	666.3	740.6	816.6	892.3	960.4
A ( I )		488.6	415.4	423.2	422.7	381.0
V ( I )		.59	.69	.68	.68	.75
D ( I )		4.43	5.59	5.57	5.58	5.60
X STA.	960.4	978.1	988.2	998.4	1008.5	1018.5
A ( I )		139.4	104.3	105.1	103.8	103.8
V ( I )		2.06	2.76	2.74	2.77	2.77
D ( I )		7.87	10.31	10.31	10.31	10.31
X STA.	1018.5	1029.4	1056.2	1089.4	1139.5	1202.8
A ( I )		107.8	192.5	229.9	339.5	417.2
V ( I )		2.67	1.49	1.25	.85	.69
D ( I )		9.91	7.19	6.92	6.78	6.59
X STA.	1202	1272.2	1356.7	1489.1	1673.2	2040.4
A ( I )		441.1	470.3	568.1	626.2	795.2
V ( I )		.65	.61	.51	.46	.36
D ( I )		6.36	5.56	4.29	3.40	2.17

 

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Page Owner: Office of Research, Development, and Technology, Office of Infrastructure, RDT Scheduled Update: Archive - No Update Technical Issues: TFHRC.WebMaster@dot.gov Topics: research, infrastructure, hydraulics Keywords: research, infrastructure, hydraulics, Bridge scour, abutment scour, compound channels TRT Terms: research, hydraulics, hydrology, fluid mechanics, earth sciences, geophysics Updated: 04/23/2012