Bridge Design Alternatives Selection

The following four bridge design options were developed by the Project Team and reviewed by City officials and the public. Option C was selected as the preferred alternative and is now in the final design stage.

You can click on the thumbnail images below to see full size sketches of the selected design options.

Option A: Steel Girder Bridge

Option B: Concrete Pre-Stressed Girder Bridge



Concrete Support Options


Steel Support Options

Option D: Concrete Slab Bridge




Rail Design Options

The following photos represent several pedestrian railing designs that have been used on other bridges. The formed concrete parapet with ornamental railing was the type of railing chosen for the new Franklin Avenue Bridge. For a larger view, please click on the photo.

Combination Rail with Ornamental Railing

Steel Pedestrian/Traffic Rail






ODOT Combination Rail




ODOT Three Tube Railing













 
For more information contact:
City Engineer, City of Astoria Public Works Department, Engineering Division
(503) 338-5173, or email at kbrodie@astoria.or.us • 1095 Duane Street • Astoria, OR 97103