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Budget Year / Version:  
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Description

This project provides for the replacement of two failing culverts under Seven Locks Road in front of the historic Scotland AME Zion Church. Work was originally initiated under the Bridge Renovation project (P509753). The existing culverts to be replaced are twin 44" by 72" structural plate pipe arch (SPPA) and a 36" by 56" corrugated metal pipe (CMP). The replacement culverts will be upsized to allow for significantly more flow and mitigate flooding risk to the church property.
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Phase

Preliminary Design Stage

Status

New
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Budget Snapshot
$4.8M Total
Expenditures/Funding
$4.8M 6 Year Total
Expenditures/Funding
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Location

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Estimated Schedule

Design and construction will be completed in 2025.
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Justification

The proposed replacement work provides safe roadway condition for the travelling public. The 2023 Bridge inspection report indicates that the steel culverts have 100% invert section loss and are in poor condition.

In the past, the historic Scotland AME Church suffered multiple instances of severe flooding resulting in damage to the property. The church is currently undergoing restoration and renovation, including improvements to protect the building from flooding.

In 2024, the Montgomery County Departments of Transportation and Permitting Services conducted further study of the area and concluded that increasing conveyance capacity of culverts in front of the church from the current design criteria of a 25-year storm to a 100-year storm would further mitigate risk of flooding to the Church property.

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Fiscal Note

$1.8 million in G.O. Bonds was shifted to this project from Bridge Renovation (P509753).
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Coordination

Maryland Department of the Environment, Maryland-National Capital Park and Planning Commission, Montgomery County Department of Permitting Services, and utilities.
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Budget Snapshot
$4.8M Total
Expenditures/Funding
$4.8M 6 Year Total
Expenditures/Funding
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Project Details
Project NumberP502513
Date Last Modified06/10/24
Administering AgencyTransportation
CategoryTransportation
SubCategoryBridges
Planning AreaPotomac-Cabin John and Vicinity
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Total Expenditures by Cost Element (000s)
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Total Funding by Source (000s)
EXPENDITURES (000s)
Cost ElementsTotalThru FY23Est FY24Total 6 YearsFY 25FY 26FY 27FY 28FY 29FY 30Beyond 6 Years
Planning, Design and Supervision55000550550000000
Land00000000000
Site Improvements and Utilities40000400400000000
Construction38500038503850000000
Other00000000000
Total Expenditures48000048004800000000
FUNDING (000s)
Funding SourceTotalThru FY23Est FY24Total 6 YearsFY 25FY 26FY 27FY 28FY 29FY 30Beyond 6 Years
Federal Aid00000000000
G.O. Bonds48000048004800000000
Total Funding Sources48000048004800000000
APPROPRIATION AND EXPENDITURE DATA ($000s)
Appropriation FY 25 Request4800
Year First Appropriation
Appropriation FY 26 Request0
Last FY's Cost Estimate0
Cumulative Appropriation0
Expenditure / Encumbrances0
Unencumbered Balance0