glac01045_McDonaldCreek_HorizontalAlignmentReport_MAIN.pdf
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- Solicitation number
- 69056721B000017
About this file
This horizontal alignment report provides design details for replacing a bridge over McDonald Creek along the Going-to-the-Sun Road in Montana. The report outlines the horizontal alignment of the proposed bridge replacement in technical engineering terms, including stationing, element types, radii, degrees of curvature, tangents, chords, and end points. It appears to be intended for engineering review and approval rather than procurement.
The related federal contract opportunity is solicitation number 69056721B000017 to rehabilitate the final 9.3 miles of the Going-to-the-Sun Road and replace the bridge over McDonald Creek. The opportunity was issued by the Federal Highway Administration within the Department of Transportation for an unspecified project value and period of performance. No other salient details are provided regarding response dates, set asides, incumbent contractors, or required products and services.
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Text version
Upper McDonald Creek Road - Horizontal Alignment Review Report
Report Created: Monday, August 23, 2021 Time: 2:27:45 PM
Project: Default
Description:
File Name:
F:\highways\FHWA\21500007_mt-glac1045_UpperMcDonaldCreekBridge\Upper McDonald Creek Bridge\dgn\mt-glac01045_ha01.dgn
Last Revised:
8/23/2021 14:25:37
Note: All units in this report are in feet unless specified otherwise.
Alignment Name: MAIN
Alignment Description:
Alignment Style: Alignment\Baseline
Station Northing Easting
Element: Linear
START ( ) 0.000 1628095.623 914141.970
PC ( ) 345.934 1628069.751 913797.004
Tangential Direction: S85.711°W
Tangential Length: 345.934
Element: Circular
PC ( ) 345.934 1628069.751 913797.004
HPI ( ) 515.522 1628057.068 913627.891
CC ( ) 1628618.211 913755.871
PT ( ) 674.936 1628141.823 913481.000
Radius: 550.000
Delta: 34.273° Right
Degree of Curvature (Arc): 10.417°
Length: 329.001
Tangent: 169.588
Chord: 324.118
Middle Ordinate: 24.418
External: 25.552
Back Tangent Direction: S85.711°W
Back Radial Direction: N4.289°W
Chord Direction: N77.152°W
Ahead Radial Direction: N29.984°E
Ahead Tangent Direction: N60.016°W
Element: Linear
PT ( ) 674.936 1628141.823 913481.000
PC ( ) 1019.075 1628313.811 913182.921
Tangential Direction: N60.016°W
Tangential Length: 344.139
Page 1 of 3Horizontal Alignment Review Report
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Element: Circular
PC ( ) 1019.075 1628313.811 913182.921
HPI ( ) 1161.380 1628384.930 913059.661
CC ( ) 1628560.667 913325.354
PT ( ) 1283.043 1628526.191 913042.447
Radius: 285.000
Delta: 53.068° Right
Degree of Curvature (Arc): 20.104°
Length: 263.968
Tangent: 142.306
Chord: 254.633
Middle Ordinate: 30.019
External: 33.553
Back Tangent Direction: N60.016°W
Back Radial Direction: N29.984°E
Chord Direction: N33.482°W
Ahead Radial Direction: N83.052°E
Ahead Tangent Direction: N6.948°W
Element: Linear
PT ( ) 1283.043 1628526.191 913042.447
PC ( ) 1399.774 1628642.065 913028.326
Tangential Direction: N6.948°W
Tangential Length: 116.731
Element: Circular
PC ( ) 1399.774 1628642.069 913028.325
HPI ( ) 1515.154 1628756.602 913014.368
CC ( ) 1628536.222 912159.751
PT ( ) 1629.211 1628863.602 912971.198
Radius: 875.000
Delta: 15.024° Left
Degree of Curvature (Arc): 6.548°
Length: 229.437
Tangent: 115.380
Chord: 228.780
Middle Ordinate: 7.509
External: 7.574
Back Tangent Direction: N6.948°W
Back Radial Direction: N83.052°E
Chord Direction: N14.460°W
Ahead Radial Direction: N68.028°E
Ahead Tangent Direction: N21.972°W
Element: Linear
PT ( ) 1629.211 1628863.602 912971.198
END ( ) 2115.232 1629314.323 912789.354
Page 2 of 3Horizontal Alignment Review Report
Tangential Direction: N21.972°W
Tangential Length: 486.021
Page 3 of 3Horizontal Alignment Review Report
File details come from the government source that posted it. Updated .