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Federal Highway Administration > Publications > Research > Structures > Covered Bridge Manual

Publication Number: FHWA-HRT-04-098
Date: APRIL 2005

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Appendices A, B, and C were authored by Phillip C. Pierce, P.E., Deputy Commissioner of Public Works, Delaware County, NY. His articles have been reproduced from other sources, as noted below.

Appendix A "Those Intriguing Town Lattice Timber Trusses"
Published in the August 2001 edition (Vol. 6, No. 3) of ASCE's
Practice Periodical on Structural Design and Construction.
(included herein by permission)

Appendix B "The Trials and Successes of Covered Bridge Engineering and Construction-Hamden Covered Bridge, Delaware County, NY "
Reproduced with permission of the Transportation Research Board. In the Transportation Research Record: Journal of the Transportation Research Board, No. 1792, National Research Council, Washington, DC, 2002, pp. 44-49.

Appendix C "Rehabilitation of Fitch's Covered Bridge, Delaware County, NY"
The article was used for the nomination of this project for consideration for the 2002
National Timber Bridge Awards, April 2002

Appendix D Rehabilitation and Resiting of the Brown's River Covered Bridge, Westford, VT

Examples of New Construction

Appendix E A Tale of Two Bridges

Appendix F Smith Covered Bridge over the Baker River, Plymouth, NH

Appendix G Caine Road Covered Bridge, Ashtabula County, OH

Examples of a Replica Bridge

Appendix H Replacement of the Mill Covered Bridge, Tunbridge, VT

Appendix I Rehabilitation of the Paper Mill Covered Bridge, Bennington, VT

Appendix J Replacement of the Power House Covered Bridge, Johnson, VT

Figure 171 Brown Bridge, Shrewsbury, VT. Photo. The picture shows the underside of a bridge where the laid stone foundation rests on a natural boulder. The floor beams seem to rest on the bottom chord.

Figure 171. Brown Bridge, Shrewsbury, VT

Figure 172 Lower Cox Bridge, Northfield, VT. Photo. The picture shows a longitudinal view of a timber whlich hass cracked through around a bolt,, demonstrating tensile failure in the bottom chord of the bridge.

Figure 172. Lower Cox Bridge, Northfield, VT

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