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Fergus County Roundhouse Bridge

Overview

The existing bridge at the location was a timber bridge founded on timber piles, with timber abutments. The existing bridge was two spans, which was replaced with a single span prestressed concrete beam superstructure founded on driven steel piles and concrete abutments.

 

Project Size

IDK

Project Value

$228K

Year Completed

2017

Details

Stahly Engineering assisted Fergus County in securing TSEP funds for the replacement of the bridge. Additional services provided by Stahly Engineering include:

  • Survey and construction staking
  • Environmental permitting
  • Bridge design and plan development
  • Road design and plan development
  • Construction administration, including TSEP grant administration
  • Construction inspection

This bridge is located over Big Spring Creek, and is in a detailed flood study area, meaning the water surface of the creek could not be increased at all. In addition, lengthening the bridge to accommodate hydraulics was a challenge due to the proximity to the highway on the east, and a residential driveway on the west.

 

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Helena Office
3530 Centennial Drive
Helena, MT 59601

(406) 442-8594

Office manager: Robie Culver
Email Us
Bozeman Office
851 Bridger Drive, Suite 1
Bozeman, MT 59715

(406) 522-8594

Office manager: Theron Thompson, P.E.
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Billings Office
2223 Montana Ave, Suite 201
Billings, MT 59101

(406) 601-4055

Office manager: Dax Simek, P.E.
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Helena Office

3530 Centennial Drive
Helena, MT 59601

(406) 442-8594

Office manager:
Robie Culver

Bozeman Office

851 Bridger Drive, Suite 1
Bozeman, MT 59715

(406) 522-8594

Office manager:
Theron Thompson, P.E.

Billings Office

2223 Montana Ave, Suite 201
Billings, MT 59101

(406) 601-4055

Office manager:
Dax Simek, P.E.

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