mta-bor298001_PRO_APPR_APPR-01.pdf
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- Attached to
- MT FLAP BOR 2980(1), Sun River Bridge Replacement Federal contract opportunity
- Solicitation number
- 69056724B000016
About this file
This document is a Vertical Alignment Review Report for the "APPR-01" horizontal alignment and "APPR-01 PRO" vertical alignment of the MT FLAP BOR 2980(1), Sun River Bridge Replacement project. The report details the station, elevation, tangent grade, and other technical specifications of the proposed vertical alignment for the bridge approaches.
The related federal contract opportunity is for the MT FLAP BOR 2980(1), Sun River Bridge Replacement project. The work consists of building a new 462-foot long, 3-span precast-post-tensioned girder bridge with a precast concrete deck, as well as new approach embankments and retaining walls. The project is located approximately 50 miles northwest of Augusta, MT. The contract is a sealed bid, firm-fixed-price procurement with an estimated value between $10-20 million. The work may include an option to demolish the existing steel truss bridge. The tentative completion date is Fall 2026.
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Text version
Vertical Alignment Review Report Report Created: Thursday, August 8, 2024
Time: 9:14:19 AM
Project: Design IntlFt Description:
File Name: \\RPA-HLN-04\Shared\highways\FHWA\23500008_mta-bor2980-1_SunRiverBridge\DGN\mta-bor298001_cvc01 - Option_2.dgn
Last Revised: 8/8/2024 09:12:41
Note: All units in this report are in feet unless specified otherwise.
Horizontal Alignment: "APPR-01" Horizontal Description:
Horizontal Style: Alignment\Baseline - Approach
Vertical Alignment: "APPR-01 PRO" Vertical Description:
Vertical Style: Alignment\Baseline - Approach Station Elevation
Element: Linear
START 999+88.84 4453.0107
VPI 1000+00.00 4453.5979
Tangent Grade: 0.053 Tangent Length: 11.162
Element: Linear
VPI 1000+00.00 4453.5979
VPC 1000+40.00 4453.1996
Tangent Grade: -0.010 Tangent Length: 40.000
Element: Symmetrical Parabola
VPC 1000+40.00 4453.1996
VPI 1000+50.00 4453.1000
VPT 1000+60.00 4452.4438
Length: 20.000
Entrance Grade: -0.010 Exit Grade: -0.066 r = 100 * (g2 - g1) / L: -27.833 K = l / (g2 - g1): 3.593
Middle Ordinate: -0.139
Element: Linear
VPT 1000+60.00 4452.4438
Page 1 of 2Vertical Alignment Review Report
8/8/2024
Horizontal Alignment: "APPR-01" Horizontal Description:
Horizontal Style: Alignment\Baseline - Approach
VPC 1001+90.00 4443.9125
Tangent Grade: -0.066 Tangent Length: 130.000
Element: Symmetrical Parabola
VPC 1001+90.00 4443.9125
VPI 1002+10.00 4442.6000
VPT 1002+30.00 4442.5400
Length: 40.000
Entrance Grade: -0.066 Exit Grade: -0.003 r = 100 * (g2 - g1) / L: 15.656 K = l / (g2 - g1): 6.387
Middle Ordinate: 0.313
Element: Linear
VPT 1002+30.00 4442.5400
END 1002+48.27 4442.4851
Tangent Grade: -0.003 Tangent Length: 18.267
Page 2 of 2Vertical Alignment Review Report
8/8/2024
File details come from the government source that posted it. Updated .