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Standard Drawings/Design Aids | Additional Trail Bridge Resources
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Abutments
Sill
Timber
Gabion Basket
Concrete
Crib (Timber)
Retaining Wall

Abutments

Sill

Sill abutments are a single element foundation supporting the bridge superstructure.

Timber

Timber-Log

Additional Pictures:

Standard Drawings/Design Aids:
Region 6 Abutment Log Trail RA820-4

Example sketch
Log Timber Sill Abutment
ROS Classes: black from U to R to RN to SPM to SPNM to P

Timber-Sawn

Additional Pictures:

Standard Drawings/Design Aids:
Region 6 Abutment Log Trail RA820-4

Example sketch of a sawn timber sill abutment
Photo of a Sawn Timber Sill Abutment
ROS Classes: black from U to R to RN to SPM to SPNM, gray from SPNM to P

Gabion Basket

Gabion abutments will often have a timber cap to facilitate connecting a steel or timber bridge to the abutment.

Additional Pictures:

Standard Drawings/Design Aids:
Region 6 Abutment Gabion Geocell RA891-1

Example sketch of a gabion basket sill
Photo of a Gabion Basket Sill Abutment Photo of a Gabion Basket Sill Abutment
ROS Classes: black from U to R to RN to SPM, gray from SPM to SPNM, white from SPNM to P

Concrete

Concrete abutments will often have a timber cap to facilitate connecting a steel or timber bridge to the abutment.

Additional Pictures:

Standard Drawings/Design Aids:
Region 6 Timber Cribbing w/Geocell Foundation RA892-1

Photo of a Concrete Sill Abutment
ROS Classes: black from U to R to RN to SPM, gray from SPM to SPNM, white from SPNM to P