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2. Rigid-frame bridge - Wikipedia

   en.wikipedia.org/wiki/Rigid-frame_bridge

   Batter-post rigid frame bridges are defined by their supports that run from the deck to the abutments at an angle. This design supports the deck in a similar way to v-shaped piers but differs in how the foundations must be built. The piers bear on or next to the abutments, eliminating the need for foundations directly beneath the bridge.

3. Jack post - Wikipedia

   en.wikipedia.org/wiki/Jack_post

   A jack post (telepost, adjustable steel column) is a steel post used in the construction trades for temporary support of ceilings, walls and trenches ().They are designed to be able to mechanically telescope to about twice their shortest length in order to span a wide variety of spaces.

4. Beam bridge - Wikipedia

   en.wikipedia.org/wiki/Beam_bridge

   The concrete elements may be reinforced or prestressed. Such modern bridges include girder , plate girder , and box girder bridges, all types of beam bridges. Types of construction could include having many beams side by side with a deck across the top of them, to a main beam either side supporting a deck between them.

5. Pier (bridge structure) - Wikipedia

   en.wikipedia.org/wiki/Pier_(bridge_structure)

   Most of the piers of modern bridges are made of reinforced concrete or prestressed concrete for larger structures. Two types of forms are mainly encountered: columns or walls. Each support can be composed of one or more walls or columns. The standard-shaped walls that can be found on most highways are represented in the illustration opposite.

6. Girder bridge - Wikipedia

   en.wikipedia.org/wiki/Girder_bridge

   This includes the girders themselves, diaphragms or cross-braces, and (if applicable) the truss or arch system. In a girder bridge this would include only the girders and the bracing system. The girders are the primary load support, while the bracing system both allows the girders to act together as a unit, and prevents the beams from toppling.

7. Caisson (engineering) - Wikipedia

   en.wikipedia.org/wiki/Caisson_(engineering)

   Schematic cross section of a pressurized caisson. In geotechnical engineering, a caisson (/ ˈ k eɪ s ən,-s ɒ n /; borrowed from French caisson 'box', from Italian cassone 'large box', an augmentative of cassa) is a watertight retaining structure [1] used, for example, to work on the foundations of a bridge pier, for the construction of a concrete dam, [2] or for the repair of ships.

8. AOL Video - Serving the best video content from AOL and ...

   www.aol.com/video/view/how-to-install-a-mailbox...

   The AOL.com video experience serves up the best video content from AOL and around the web, curating informative and entertaining snackable videos.

9. Pin and hanger assembly - Wikipedia

   en.wikipedia.org/wiki/Pin_and_hanger_assembly

   Attempts have been made to increase the safety of bridges with pin and hanger assemblies by adding some form of redundancy to the assembly. Retrofits that add redundancy to pin and hanger assemblies include adding a "catcher's mitt"‍—‌a short steel beam attached to the bottom of the cantilevered girder that extends out beneath the suspended girder to "catch" the suspended girder should ...