Bridgeport Covered Bridge Stabilization

Summary

SCH Number
2013048079
Lead Agency
Parks and Recreation, Department of (California Department of Parks and Recreation)
Document Title
Bridgeport Covered Bridge Stabilization
Document Type
NOE - Notice of Exemption
Received

Document Description
Temporary stabilization of the Covered Bridge at South Yuba River State Park to maintain the structural integrity and prevent imminent collapse from structural failure. Work will: * Construct two temporary steel I-beam frame towers that will be placed on existing conical abutments on each of the bridge (abutments are not a strucutral part of the historic bridge). * Install 5 concrete dead men from which anchor cables will be attached. * Steel cables will span from the dead men/geo anchors to the I-beam towers and from the steel towers to a supporting framework of I-beams and tensioning rods underneath the deck of the bridge for virtical stabilization. * Attach all cables from the center of the bridge to two hex bolt geo-anchors upstream and two hex bolt geo-anchors downstream for horizontal stabilization.

Contact Information
Diane Cassano
California Department of Parks and Recreation
Sierra District Headquarters P.O. Box 266
Tahoma, CA 96142

530 525-3342

Location

Counties
Nevada
Other Location Info
South Yuba River State Park

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
15304, 15331 - Class 4 & 31
Reasons for Exemption
Project consists of the minor alteration in the condition of land and/or vegetation which does not invovle removal of healthy, mature, scenic trees and the reconstruction, maintenance, repair and stabilization of a historic resource in a manner consistent with the Secretary of the Interior's Standards for the Treatment of Historic Properties with Guidelines for Preserving, Rehabilitating, Restoring, and Reconstructing Historic Buildings (1995), Weeks and Grimmer.
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