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County:Montgomery Project Number:MO240_21
MD 0195 CARROLL AVENUE BRIDGE 1503300 OVER SLIGO CREEK PARKWAY AND SLIGO CREEK
MD 0195  CARROLL AVENUE BRIDGE 1503300 OVER SLIGO CREEK PARKWAY AND SLIGO CREEK Picture
Project Name:
MD 195, Carroll Avenue

Location of Project:
BRIDGE 1503300 OVER SLIGO CREEK PARKWAY AND SLIGO CREEK

Description:
Rehabilitate Bridge 15033 on MD 195 over Sligo Creek Parkway and Sligo Creek.
 
Scope:
The MD 195 (Carroll Avenue) bridge over Sligo Creek and Sligo Creek Parkway is scheduled for major rehabilitation tentatively starting in spring 2015. The scope of the project includes completely replacing the bridge deck, beams, and columns above the arches, the sidewalks and railings, and the ornamental lights. The project also includes constructing new side walk along the east side of Carroll Avenue between Old Carroll Avenue and the bridge. In order to complete the necessary work safely, the bridge will be closed and traffic will be detoured during construction.

This work is a part of SHA’s bridge system preservation program aimed at providing reliable facilities in a timely manner. It will ensure the continued safe operation of the bridge and extend the service life of the 81-year-old structure. The bridge is eligible for inclusion in the National Register of Historic Places; therefore, SHA will make every effort to maintain the appearance of the bridge while still meeting current codes and safety requirements.

During construction, SHA crews will close Carroll Avenue at the bridge and vehicles will be detoured. Pedestrian traffic will be maintained on a temporary bridge directly adjacent to the MD 195 over Sligo Creek Bridge. Access to all residential, business, hospital, and trail entrances adjacent to the work zone will also be maintained.

Motorists north and south of the MD 195 over Sligo Creek Bridge wishing to continue on MD 195 beyond the project site will be directed to a traffic detour utilizing Flower Avenue, Maplewood Avenue, Maple Avenue, and MD 410 (Philadelphia Road). The detour length is 1.25 miles, and will be improved at several locations to accommodate the additional traffic. These locations include the intersections of Hilltop Road and Sligo Creek Parkway, Maplewood Avenue and Flower Avenue, and Old Carroll Road and Sligo Creek Parkway. Also, while Sligo Creek Parkway is closed to motorists on Sundays, motorists may use it as a detour route during the week and Saturday, reducing detour length to less than 1 mile. SHA is working with the City and the Maryland National Capital Park and Planning Commission to keep Sligo Creek Parkway open to vehicle traffic on Sundays during construction and signing it as the primary detour route. A separate detour utilizing only State-owned roadways will be in place for commercial trucks. Montgomery County Ride-On Transit has reviewed the proposed detour and will utilize Sligo Creek Parkway to minimize impacts to the No. 12 and No. 13 routes that currently travel over the Carroll Avenue Bridge.

As an alternative to the detour, project engineers considered constructing a temporary bridge to maintain one lane of vehicular traffic during construction. However, a temporary bridge to support vehicles would have to be larger than the proposed temporary pedestrian bridge, include approach roadways requiring an extensive clearing of wooded parkland adjacent to the bridge, and would add 1 year to the project. The chosen alternative will take the shortest time to construct and minimize the impacts to the surrounding environment.

Construction is tentatively scheduled to begin in spring 2015 and the bridge is anticipated to be closed for one year. Additionally, some construction will take place before and after the bridge is closed, but will be able to do so while it carries traffic. Work will not start until construction is completed on the MD 650 (New Hampshire Avenue) over Sligo Creek Bridge. SHA will make every effort to complete this project as quickly as possible while minimizing impacts to local residents and motorists.


Project Type:
BRIDGE REHABILITATION

Current Phase:Design
Funded Year :2009 How much will this project cost?
Funding Source(s):State/Federal
Last Updated On : 2/20/2014
 
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Maryland Department of Transportation
707 North Calvert Street Baltimore, Maryland 21202