20070295 Ver 6_8.05 HY-8 Culvert 1_20191220

HY-8 Culvert Analysis Report
Crossing Discharge Data
Discharge Selection Method: Specify Minimum, Design, and Maximum Flow
Minimum Flow: 240.3 cfs
Design Flow: 285.43 cfs
Maximum Flow: 351.55 cfs

Table 1 - Summary of Culvert Flows at Crossing: Crossing 2
Headwater Elevation
(ft)
Total Discharge (cfs)
Culvert 2 Discharge
(cfs)
Roadway Discharge
(cfs)
Iterations
302.85
240.30
240.30
0.00
1
303.07
251.43
251.43
0.00
1
303.28
262.55
262.55
0.00
1
303.50
273.68
273.68
0.00
1
303.73
284.80
284.80
0.00
1
303.75
285.43
285.43
0.00
1
304.22
307.05
307.05
0.00
1
304.48
318.18
318.18
0.00
1
304.80
329.30
329.30
0.00
1
305.11
340.43
340.43
0.00
1
305.47
351.55
351.55
0.00
1
322.00
708.07
708.07
0.00
Overtopping

Rating Curve Plot for Crossing: Crossing 2
30
0
315
KD
w
a�
m
KD
in
310
305
Total RatIlig Curve
Crossing: Crossing 2
Juu 4uu :�uu Uuu ruu
Total Discharge (cfs)

Table 2 - Culvert Summary Table: Culvert 2
Total
Discharge
(cfs)
Culvert
Discharge
(cfs)
Headwater
Elevation (ft)
Inlet Control
Depth (ft)
Outlet
Control
Depth (ft)
Flow
Type
Normal
Depth (ft)
Critical
Depth (ft)
Outlet Depth
(ft)
Tailwater
Depth (ft)
Outlet
Velocity
(ft/s)
Tailwater
Velocity
(ft/s)
240.30
240.30
302.85
4.069
6.285
342t
4.842
3.526
3.570
3.570
10.392
5.589
251.43
251.43
303.07
4.191
6.498
3-M2t
5.040
3.621
3.653
3.653
10.620
5.657
262.55
262.55
303.28
4.312
1 6.714
3-M2t
5.269
3.714
3.734
3.734
10.846
5.722
273.68
273.68
303.50
4.432
6.935
3-M2t
5.594
3.802
3.813
3.813
11.070
5.785
284.80
284.80
303.73
4.550
7.162
7-M2c
6.000
3.892
3.892
3.890
11.287
5.847
285.43
285.43
303.75
4.557
7.175
7-M2c
6.000
3.897
3.897
3.895
11.298
5.850
307.05
307.05
304.22
4.785
7.646
7-M2c
6.000
4.0624.062
4.040
11.674
5.964
318.18
318.18
304.48
4.902
7.912
7-M2c
6.000
4.1454.145
4.113
11.864
6.020
329.30
329.30
304.80
5.018
8.235
7-M2c
6.000
4.2274.227
4.184
12.053
6.074
340.43
340.43
305.11
5.135
8.538
7-M2c
6.000
4.3054.305
4.253
12.250
6.128
351.55
351.55
305.47
5.251
8.901
7-M2c
6.000
4.37914.379
4.322
12.454
6.179

Straight Culvert
Inlet Elevation (invert): 296.57 ft, Outlet Elevation (invert): 294.90 ft
Culvert Length: 124.91 ft, Culvert Slope: 0.0134

Culvert Performance Curve Plot: Culvert 2
0
(D
LU
(D
in
320
315
310
305
300
Perfonnalice Curve
Cljlv. ert: ClIv. ert 2
FO-1
Inlet Cantral Elev
FALL]
Outlet Control Elev
AL
300 400 500 600 700
Tatal Discharge (cfs)

Water Surface Profile Plot for Culvert: Culvert 2
Cross111a - Crossing 2, Design Discharge - 285.4 cfs
Cilvert - uh-ert 2, uh-ert Discharge - 285.4 cfs
321L
31-
r- 31C
w 30E
30C
299
lJ iJU 1VV IJV
Stati an (ft)
Site Data - Culvert 2
Site Data Option: Culvert Invert Data
Inlet Station: 0.00 ft
Inlet Elevation: 295.57 ft
Outlet Station: 124.90 ft
Outlet Elevation: 293.90 ft
Number of Barrels: 1
Culvert Data Summary - Culvert 2
Barrel Shape: Circular
Barrel Diameter: 7.00 ft
Barrel Material: Concrete
Embedment: 12.00 in
Barrel Manning's n: 0.0120 (top and sides)
Manning's n: 0.0450 (bottom)
Culvert Type: Straight
Inlet Configuration: Grooved End in Headwall
Inlet Depression: None

Table 3 - Downstream Channel Rating Curve (Crossing: Crossing 2)
Flow (cfs)
Water Surface
Elev (ft)
Depth (ft)
Velocity (ft/s)
Shear (psf)
Froude Number
240.30
298.47
3.57
5.59
2.23
0.63
251.43
298.55
3.65
5.66
2.28
0.63
262.55
298.63
3.73
5.72
2.33
0.63
273.68
298.71
3.81
5.79
2.38
0.63
284.80
298.79
3.89
5.85
2.43
0.63
285.43
298.79
3.89
5.85
2.43
0.63
307.05
298.94
4.04
5.96
2.52
0.63
318.18
299.01
4.11
6.02
2.57
0.64
329.30
299.08
4.18
6.07
2.61
0.64
340.43
299.15
4.25
6.13
2.65
0.64
351.55
299.22
4.32
6.18
2.70
0.64

Tailwater Channel Data - Crossing 2
Tailwater Channel Option: Trapezoidal Channel
Bottom Width: 6.74 ft
Side Slope (H:V): 1.49 (_:1)
Channel Slope: 0.0100
Channel Manning's n: 0.0450
Channel Invert Elevation: 294.90 ft
Roadway Data for Crossing: Crossing 2
Roadway Profile Shape: Constant Roadway Elevation
Crest Length: 100.00 ft
Crest Elevation: 322.00 ft
Roadway Surface: Paved
Roadway Top Width: 90.00 ft