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Deck Girder/Truss
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Truss
Side Girder/Truss
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Truss
Timber
Steel
Fiberglass
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Types

Side Truss

Side truss (pony truss) bridges are supported by two longitudinal trusses. The deck is hung on the interior side of the trusses. The trusses usually function as all, or part of, the handrail system. Decks are usually sawn timber plank, but may be glued-laminated timber, concrete, steel, or fiberglass.


Timber—Log

Typical span 40 to 80 feet

Additional Pictures:

Example sketch of timber log side truss
Photo of a log side truss
ROS Classes: black from U to R to RN to SPM to SPNM to P

Timber—Sawn

Typical span 50 to 100 feet

Additional Pictures:

Example sketch of sawn timber side truss
Photo of a Sawn Timber Side Truss
ROS Classes: black from U to R to RN to SPM to SPNM, gray from SPNM to P

Steel

Typical span 50 to 240 feet

Additional Pictures:

Standard Drawing/Design Aids:

Example sketch of steel side truss
Photo of a Steel Side Truss Photo of a Steel Side Truss
Photo of a Steel Side Truss
ROS Classes: black from U to R to RN to SPM, gray from SPM to SPNM, white from SPNM to P

Fiberglass

Typical span 20 to 80 feet

Additional Pictures:

Example sketch of fiberglass side truss
Photo of a Fiberglass Side Truss Photo of a Fiberglass Side Truss
ROS Classes: black from U to R to RN, gray from RN to SPM to SPNM to P