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Alleghany County – Route 633 (McKinney Hollow Road)

Cowpasture River Bridge

Project Photos

Project at a Glance

Begin Date
Contract awarded on January 9, 2012

Est Completion Date
Spring 2013

Contract value is $1,991,016.95

Lengths and Limits
0.32-mile long; From: 1.46 miles south of Route 634 To: 1.14 miles south of Route 634

Allegheny Construction Co. Inc. of Roanoke



John-Allen Ennis

Project Details

This project replaces the Cowpasture River Bridge on Route 633 (McKinney Hollow Road) in Alleghany County. The project is 0.32-mile long and is located about a half mile south of Route 634. It is adjacent to the Jefferson National Forest.

Route 633 is a narrow road consisting of two eight-foot lanes with narrow shoulders and narrow ditches. The road crosses a single-lane steel truss bridge over the Cowpasture River. The bridge is deteriorating and has reached the end of its lifespan and needs to be replaced. The truss bridge is approximately 15-feet wide.  

This truss bridge is eligible for the Register of National Historic Structures. It was built in 1900 and reconstructed in 1948. It is currently 109 years old. The bridge will be left in place next to the proposed bridge.

The proposed new bridge will be located 60-feet upstream from the existing bridge. The proposed bridge is about 340-feet long. The new bridge will have three spans and its deck will feature steel girder construction. The bridge will have two 10-foot lanes with three foot shoulders on each side.

The average daily traffic in 2006 was 350 vehicles per day. In 2031 the average daily traffic volume is anticipated to increase to 650 vehicles per day.

This project is funded with a combination of state and federal funds. The estimated cost for preliminary engineering is $505,000, for right of way is $164,296 and for construction is $2,799,908. The total estimate is $3,469,204.

What’s Next

A public hearing was held March 10, 2010. The right of way acquisition process began in early 2011 and has been completed. The project was advertised for construction on October 11, 2011. Construction began in the spring of 2012 and finished in May 2013.

Design Approval

Design plans were approved by VDOT Chief Engineer Malcolm T. Kerley, P.E. on April 26, 2010. This is for design plans regarding the Cowpasture River Bridge on Route 633 (McKinney Hollow Road) in Alleghany County.

Media and Public Events

Design Public Hearing
Wednesday, March 10, 2010, 4-7 p.m.
Sharon Elementary School
100 Sharon School Circle
Clifton Forge, VA 24422

Benefits of Project

This project replaces a deteriorating and obsolete bridge. This project also improves driver visibility, and improves the curvature of the approaches to the bridge.

During Construction

Two lanes of traffic will be maintained during the project with the exception of occasional flagging operations. Access to all private residences and businesses will be maintained throughout the project’s duration.

Traffic Alerts

Traffic alerts can also be found on the VDOT website under Travel Center, Travel advisories and lane closures. Click on the area of the state you are interested in, and view current travel advisories and lane closures. Click here to go to the Staunton District Travel Center page:  Staunton District


Real-time traffic information is available on the VDOT website and also by calling 511 on your landline or wireless phone.  Click here to go to 511:  Virginia 511 Web

Project Numbers

UPC 3428

State  0633-003-155,P106, P101, R201, M501, B626

Federal  BR-003-8 (134)

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Page last modified: Sept. 18, 2013