Skip to main content

Rosemont Raven Rock Bridge over Lockatong Creek



Located in Delaware Township, New Jersey, just outside of Stockton, is the Rosemont-Raven Rock Bridge, which spans 127 feet over Lockatong Creek. The Rosemont-Raven Rock Bridge has different names, such as Raven Rock Bridge and Lockatong Bridge, but I'm going with Rosemont-Raven Rock Bridge, as listed on the historical marker located next to the bridge itself. Built in 1878 at a cost of $2,800 of both cast iron and wrought iron, it is one of the earliest iron Pratt through truss bridges with phoenix columns in the United States.

This extremely rare and beautiful bridge ranks is a great example of early bridge design in New Jersey. It was built by the Lambertville Iron Works of Lambertville, New Jersey, which was a local company responsible for constructing bridges throughout Hunterdon County during the last quarter of the 19th century and run by William Cowin. The bottom lateral bracing on the bridge joins to a center ring, much like the Clinton, New Jersey bridge built in 1870, which was also constructed by the Lambertville Iron Works. But what makes the Rosemont-Raven Rock Bridge noteworthy in a historical sense is that it is a significant example of a bridge using rare Phoenix columns. The Phoenix columns are present on the vertical members and it is an extremely early example of a pin-connected Pratt through truss, having been built at a time when the bowstring truss was still a frequently selected form of metal bridge. The Rosemont-Raven Rock Bridge is a very beautiful bridge and includes a highly decorative builder plaque and decorative cast iron knee bracing at the portals, along with attractive lattice railings. In addition, the bridge includes decorative finials on top of each panel and connection point.

Today, Hunterdon County owns the classic bridge over Lockatong Creek and it was restored in 2014 at a cost of more than $2.1 million. As happenstance would be, I stumbled upon this bridge in January 2017 during a drive up the Delaware River area in New Jersey. So naturally, I had to stop and take a few photos.









How to Get There:


Sources and Links:
Raven Rock Bridge - HistoricBridges.org
Raven Rock Rosemont Road Bridge - Bridgehunter
Raven Rock Road Bridge - National Park Service
Bridge on Rosemont-Raven Rock Road opens with a ceremony - NJ.com
The Lockatong Bridge over Raven Rock Road, part one - Goodspeed Histories
The Lockatong Bridge over Raven Rock Road, part two - Goodspeed Histories
The Bridges of New Jersey - Stephen M. Richman (via Google Books)

Comments

Popular posts from this blog

The Vague Original Southern Terminus of US Route 91 in the Californian Mojave Desert

One of the more intriguing mysteries of the early US Route System in California is where the original south terminus of US Route 91 was intended to be located in the Mojave Desert.  This blog is a little different than my usual behind the wheel fare and explores why US Route 91 ultimately ended at US Route 66 in Daggett instead of Bannock. What ultimately became the US Route System was first discussed during the American Association of State Highway Officials ("AASHO") during their annual 1924 meeting.  Ultimately the AASHO recommended to the Department of Agriculture to work with the States to develop a system of Interstate Highways to replace the many Auto Trails in use.  The Joint Board on Interstate Highways was ultimately commissioned by the Department of Agriculture and it's branch agency the Bureau of Public Roads in March of 1925.  The Joint Board on Interstate Highways first met in April of 1925 and decided on the new interstate road network would be known a

Where the hell is Hill Valley? (US Route 8 south/US Route 395 east)

Recently I made a visit to Universal Studios near Los Angeles.  While on the back lot tour I came across a piece of infamous movie-borne fictional highway infamy; the location of town square of Hill Valley, California on US Route 8/US Route 395. The above photo is part of the intro scene to the first Back-to-the-Future movie which was set in 1985. To anyone who follows roadways the signage error of US 8 meeting US 395 in California is an immediately notable error.  For one; US 8 doesn't even exist anywhere near California with present alignment being signed as an east/west highway between Norway, Michigan and Forest Lake, Minnesota.  To make matters worse US 8 is signed as a southbound route and US 395 (a north/south highway) is signed as an eastbound route.  At minimum the cut-out US 8 and US 395 shields somewhat resemble what Caltrans used in the 1980s. Assuming Hill Valley is located on what would have been US 395 by 1985 what locales would be a viable real world analog? 

Legend of the Ridge Route; a history of crossing the mountains between the Los Angeles Basin and San Joaquin Valley from wagon trails to Interstates

Over the past two decades I've crossed the Interstate 5 corridor from Los Angeles north over the Sierra Pelona Mountains and Tehachapi Range to San Joaquin Valley what seems to be an immeasurable number of times.  While Interstate 5 from Castaic Junction to Grapevine via Tejon Pass today is known to most as "The Grapevine" it occupies a corridor which has been traversed by numerous historic highways.  The most notable of these highways is known as the "Ridge Route."  This article is dedicated to the Ridge Route and the various highways that preceded it.  The Ridge Route is a 44 mile section of highway which was completed in 1915.  The Ridge Route originally stretched from Castaic Junction north over Liebre Summit and Tejon Pass to the tiny community of Grapevine.  In spite of a roadway that once utilized nearly 700 curves the Ridge Route is generally considered far ahead of it's time and one of the first modern highways constructed for automotive use.