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Types
Cable
Suspension
Deck
Without Towers
Timber Towers
Concrete Towers
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Covered Bridges

Types

Cable

Deck Cable

Deck cable bridges are supported by two main steel cables. The deck is also supported on the two main cables. The cables are anchored to the abutments and may or may not be supported by intermediate towers. Decks are usually sawn timber planks.

Without Towers

Typical span 40 to 80 feet

Additional Pictures:

Example sketch of a deck cable without towers
Photo of a Deck Cable Without Towers
ROS Classes: black from U to R to RN to SPM to SPNM, gray from SPNM to P

Timber Towers

Typical main span 40-120 feet

Additional Pictures:

Example sketch of a deck cable with timber towers
Photo of a Deck Cable with Timber Towers
ROS Classes: black from U to R to RN to SPM to SPNM, gray from SPNM to P

Concrete Towers

Typical main span 80 to 300 feet

Additional Pictures:

Photo of a Deck Cable with Concrete Towers
ROS Classes: black from U to R to RN to SPM, gray from SPM to SPNM, white from SPNM to P