PROJECTS : BRIDGES
This page brings you some of the different pedestrian bridges that Tri-State Company has built over the years. The majority of these bridges are built in a remote location and most of the material has to be flown in by helicopter. Most of these bridges are built out of pressure treated wood material, but there are a few projects where we have built them out of concrete or stone. These bridges exhibit some of the best work that we have done are are proud of, so take a look at some of the pictures of these projects and enjoy.


Cascades Upper Bridge Repair
Location: Pembroke, Virginia
George Washington/Jefferson Nat. Forest

September 2016

Project Description:

Cascades Bridge Repair
This project is the for repair of the upper bridges at Cascades waterfall.

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Appalachian Trail Bridge Railing

Location:  Eastern Divide Ranger District George Washington/Jefferson National Forest
June 2014

Project Description:

Appalachian Trail Bridge Railing
This project was to extend the railing on a bridge on the Appalachian Trail for the safety of hikers.

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Camp Arrowhead ADA Trail and Bridge

Location:  Camp Arrowhead BSA, Ona West Virginia
February 2011 - Current

Project Description:

Camp Arrowhead ADA Bridge
This project is the second phase of ADA upgrade for Camp Arrowhead.  This portion of the project is for the construction of a 90 lf laminated bridge to replace the old bridge and bring it up to ADA standards. This project also included the construction of several thousand feet of new trail that will also be ADA compliant and allow for full access to the upper campsites for anyone with a disability.

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Beards Mountain Trail Bridge

Bath County, VA
November 2010 - January 2011

Project Description:

Beards Mountain Trail Bridge

It is the reconstruction of a 220 foot cable suspension bridge in the George Washington/Jefferson National Forest. Construction included the replacement of all suspender cables, the installation of bearing shoes, the replacement of all the cross members, the replacement of  14 stringers, the replacement of all handrail posts and  members and the installation of 2x2 heavy wire mesh.  It also included the replacement of one set of steps and the reinforcement of the other set of steps with new a new angle bracket.

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Roaring Run Trail Bridge

Location:  Botetourt County, Virginia
August 2010 - November 2010

Project Description:

Roaring Run Trail Bridge
This project was for the replacement of a 60 foot long bridge located in the Roaring Run Recreational Area.  This bridge allows access to the Roaring Run Iron Furnace and is on the loop trail for the Roaring Run Trail.  This project consisted of the construction of a new bridge and the removal of the existing bridge.

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Camp Arrowhead ADA Trail and Bridge

Location:  Camp Arrowhead BSA, Ona West Virginia
March 2009 - September 2009

Project Description:

Camp Arrowhead ADA Bridge
This project was for the construction of an ADA trail at Camp Arrowhead.  The project required a graded gravel trail with timber edging and no more than an 8% slope and the construction of several puncheon bridges over drains as well as several large log cribs and one 40 foot bridge.  This trail allows access to a larger area of the camp to people with a disability.  As well as access to the existing ADA fishing pier and ADA toilet.

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Long Mountain Trail Bridge

Hardy County , WV
September 2006 - November 2006

Project Description:

Long Mountain Trail Bridge
This Project was for the construction of a pre-fabricated steel bridge on the Long Mountain Trail.  This project was ADA compliant
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Elizabeth Furnace Suspension Bridge
June, 2005
Elizabeth Furnace, Virginia

Project Description:

Elizabeth Furnace Bridge Tower
This project is the construction of a 110 foot cable suspension bridge at the Elizabeth Furnace Campground. The bridge is being built so that people from the campground can access the picnic area across Passage Creek.

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Laurel Run Trail Bridge
May, 2004
Greenbrier County, West Virginia

Project Description:

Laurel Run Trail Bridge Finished
This project consists of the construction of a ......
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High Knob Trail Bridge
Location: Wise County, Virginia
May 2002

Project Description:

High Knob Bridge Finished
This contract was for the construction of a 34LF sawn stringer timber bridge with timber crib abutments. Due to the limited access of the bridge site, most of the material was flown in by helicopter for the bridge. The timber crib abutment material was hauled in by a mechanical mule and some backpacking to the site. The old bridge that was being replaced was demolished and removed from the site.
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Wildwood Park Phase I
Location: Radford, Virginia
September 2001

Project Description:

Pictures Coming Soon!!
Involved the construction of a trail system for the City of Radford, VA in Wildwood Park. The work included construction of treated timber cribbing and waterbars as well as numerous round stock timber steps and waterbars. The contract also included the construction of a 32LF sawn timber stringer pedestrian bridge. For this bridge we used a alterain crane to set the bridge. This was due to its closeness of the trail to an access road in the middle of the park.

Apple Orchard Falls Trail Bridge
Location: Buchannon, Virginia
May 1999

Project Description:

Apple Orchard Bridge
Involved the reconstruction and clearing and grubbing of existing trail as well as relocations to improve gradients and the construction of treated timber steps. The contract also included the construction of an 140 LF elevated curvilinear screw laminated walkway beneath the falls. The walkway consists of different levels with stairs in breaks on the bridge. There is also a observation platform that was built attached to the walkway with a bench for sitting.
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Cascades Recreation Area
Location: Pembroke, VA
May 1998

Project Description:

Bridge 1 at Cascades
This project involved clearing, grubbing, excavation, side hill trail construction, removal of large hazard trees, timber cribbing, steps, waterbars, and trail reconstruction to correct drainage problems. This project also included helicopter operations and the construction of four large treated timber bridges.

Stony Creek National Recreational Trail
Location: Corder Branch, Virginia
Date:

Project Description:

Stony Creek Bridge
This project consisted of the construction of a 127LF three span glu-lam bridge delivered by helicopter. We received a SBA Directors Award of Excellence for this project.

Meadow Creek Trail Bridge
Location: Allegheny Trail, West Virginia
Date:

Project Description:

Meadow Creek Bridge
This project included the construction of a 90LF prefab steel bridge on the Allegheny Trail in the Monongahela National Forest in West Virginia.

Jackson River Suspension Bridge
Location: Hidden Valley, Virginia
Date:

Project Descripiton:

Jackson River Bridge
This contract was for the construction of a 150LF, Cable Suspension Bridge, over the Jackson River in Virginia. The project is located in the George Washington National Forest at the recreation area known as Hidden Valley.

Cripple Creek Bridge
Location: Mount Rogers National Recreation Area, Virginia
Date:

Project Description:

Cripple Creek Bridge
This project involved the setting of a 94LF prefab steel bridge at Raven Cliff, in the Mount Rogers National Recreation Area in Virginia


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