Some articles and pictures of railroad bridges. https://monovisions.com/vintage-railroad-bridges-with-timber-trestles/ https://archive.org/details/scientific-american-1899-08-26/mode/2up https://www.poughkeepsiejournal.com...ughkeepsie-railroad-fire-anniversary/8831573/ https://www.american-rails.com/bridges.html https://www.google.com/books/editio...=railroad+bridges&pg=PA51&printsec=frontcover
[Catalogue] : the Berlin Iron Bridge Company, office and works, East Berlin, Connecticut, U.S.A. : iron railroad bridges, iron roofs ... etc. 1890 byBerlin Iron Bridge Co. https://archive.org/details/catalogueberlini00berl/page/n1/mode/2up
Types and details of bridge construction 1904 bySkinner, Frank W. (Frank Woodward), 1858-1932 https://archive.org/details/typesanddetails02skingoog/page/n6/mode/2up
Iron and timber railway superstructures and general works; giving dimensions and quantities for the standard 4 ft. 8 1/2 in gauge, and the metre 3 ft. 3 3/8 in gauge ... with some earthwork tables, and outline of a specification and requirements 1874 byGrover, J. W. (John William), 1836-1892 https://archive.org/details/irontimberrailwa00grov/mode/2up
Here's one close to home. The Cape Cod Canal bridge and some info about it. https://www.nae.usace.army.mil/Port...res/Vertical_Lift_Railroad_Bridge_Trifold.pdf https://historicbridges.org/bridges/browser/?bridgebrowser=massachusetts/buzzardsbayrailroadbridge/ https://bridgehunter.com/ma/barnstable/buzzards-bay-rr/
And here in Maine where I live, the old Back Cove railroad swing bridge is about to be torn down. Too bad as my understanding is there aren't a lot of this type of bridge left standing. https://wjbq.com/a-short-history-of-the-back-cove-swing-bridge-in-portland-photosvideo/ https://standardnews.com/youll-never-believe-story-behind-abandoned-bridge-maine/ https://www.onlyinyourstate.com/maine/abandoned-bridge-to-nowhere-me/ Yeah, you read it right. That's the B&M baked bean factory in the background.
And Boston has it's own swing bridge at the Fort Point channel. For 10 years I crossed this bridge on my way to work. It was funny as a pedestrian that on the rare occasion when the workers who manned the bridge went on strike they would leave it in the open position so no cars could cross, leading to a real mess in an already congested area. https://en.wikipedia.org/wiki/Northern_Avenue_Bridge https://www.bostonmagazine.com/property/2016/01/22/northern-ave-bridge/ https://www.universalhub.com/2016/and-just-boston-landmark-will-be-demolished
If anyone is interested in learning more about swing bridges, here's a wikipedia article. Any in your area? https://en.wikipedia.org/wiki/Swing_bridge https://www.youtube.com/results?search_query=railroad+swing+bridges
There's an old abandoned swing bridge out in Raymond, Wa. Ex-NP, last used in the early 70's. Also one on the Astoria Line out of Portland, Or. Rarely used anymore.
The CSX Rigolets Pass bridge connecting New Orleans and Mississippi. Rigolets Pass is the outlet of Lake Ponchartrain to the Gulf of Mexico. The bridge is used by 4-5 CSX freights daily. Also (hopefully) by 4 daily Amtrak trains starting January 1st next year.
NS crossing the Tennessee River in Chattanooga TN. In my 56 plus years, I've only known of that lift span to be used one time and they only raised it maybe 10 to 15 feet that time. Not even all the way to the top.
One off the coolest trestles I was born a century too late to see was the Colorado Midland curved trestle at Hagerman Pass, CO. https://digital.denverlibrary.org/digital/collection/p15330coll21/id/6704/ Constructed of wood, Hagerman Trestle was 1,084 feet long, 84 feet high, and had 200 degrees of curvature, all at a dizzying 11,000 feet elevation. https://www.4x4explore.com/rds/h_rds/hagerman_ps.html
There's one on the former GM&O line over the Alabama River northwest of Montgomery. It's rather inaccessible and not to be found on many lists. The line remains active today.
Not a movable bridge, but a neat bridge location nonetheless is at Barney, AL northwest of Birmingham. [08/31/1990] (P.S. the bridge was supplied by Kato)
This is a railroad bridge across one of the many locks on the upper Mississippi River. I think it's a neat picture showing river, rail, and road facilities. I was on a 23 day cruise from New Orleans to St. Paul and took lots of photos. Unfortunately didn't record where any of them were.
This shows what the swing bridge attaches to. The track above and the roadway below. Funny that there are gates to stop cars, but nothing to stop pedestrians from taking a swan dive.
A couple of Midland Valley bridges: https://www.trainboard.com/highball/index.php?threads/midland-valley-truss-bridge.89853/ Not so big and spectacular as those big draws and swing bridges, but I like them.
From July 1980 at Smiths Mills, NJ on the NYS&W main. A washout in the late 1971 ended service just east of this site, leaving the line in a forlorn state that invited hiking through the overgrowth. It didn't take much imagination to envision Decapods and RS-1s working through here. Happily, the line was completely rebuilt in the mid-1980s to handle stack trains, but its rebirth brought demise to fine old bridges like these.