|Bridge Name||Facility Carried / Feature Intersected||Location||Structure Type||Construction Date and Builder/Engineer|
Rip Rap Road Bridge
||Rip Rap Road (Great Miami Recreational Trail) Over Great Miami River||Dayton: Montgomery County, Ohio||Metal 14 Panel Rivet-Connected Pennsylvania Through Truss, Fixed||1924 By Builder/Contractor: Unknown|
|Main Span Length||Structure Length||Roadway Width||Main Spans||NBI Number|
|300 Feet (91.4 Meters)||306 Feet (93.3 Meters)||18 Feet (5.5 Meters)||1||5760577|
Built 1923-1924 over Great Miami River, this bridge once served an old alignment of Rip Rap Road, which crossed this bridge, continued south, and apparently crossed the river again on what was in 2006 a modern galvanized Bailey truss bridge. Rip Rap Road was realigned in 2002 and now it runs along the east side of the river, bypassing this bridge and the Bailey truss. This bridge's tall trusses and long span make it a stunning example of the complex Pennsylvania truss configuration. Characteristic of bridges built in the later portions of the truss bridge era, the members are fairly massive, and the connections are riveted. There is extensive v-lacing and lattice on the structure, which sits on concrete abutments. There are roller bearings present at the west end of the structure.
This bridge however has been beautifully rehabilitated for non-motorized traffic, and it now serves as part of the Great Miami Recreation Trail bike path that runs along Rip Rap Road north of the bridge. In 2006 the path ended at the bridge, so the bridge was more of an attraction of the path rather than a connection. Apparently the bridge was rehabilitated at the time mainly because of the way that the funding was provided for making the Rip Rap Road bike trail, and as of 2006 there were currently no plans to extend the trail beyond the bridge. Regardless, the bridge is a significant historic bridge that could provide for the expansion of the trail, and in either case is a major historic attraction that is a destination in itself.
I am extremely happy that the bridge is preserved, but it seems odd that they would restore it if they did not intend to continue to bike path over to the other side. I am happy for a change to see a bridge with historic and aesthetic value being restored just for the sake of preserving the bridge, even if it doesn't serve a purpose. The bridge itself is a purpose to preserve it in my opinion, and it appears that the folks who manage the trail funding agree with me.
Photos from an older Historic Bridge Inventory show that this bridge had hub guard style lattice railings. These are not present on the bridge today. It is unclear why they were removed. When preserving a historic bridge, adding modern railings to protect the truss or meet pedestrian safety needs is acceptable. However, the original railings should always be left in place behind the added railings. There is no reason to remove them, and removing them reduces the historic integrity of the bridge.
Information and Findings From Ohio's Historic Bridge Inventory
The bridge carries a bike path over a stream in a wooded setting.
The 1 span, 300'-long, rivet-connected Pennsylvania thru truss bridge is composed of built-up members.
Bypassed and rehabilitated for bike path use in 2002. Replaced floorbeams, stringer, deck, railings, and minor repairs to trusses. Abutments replaced and bridge deck-level raised several feet.
Summary of Significance
The 1923 rivet-connected Pennsylvania thru truss bridge is a long-span example of its type/design that was rehabilitated without adverse effect (SHPO letter 1994). It is eligible from the prior ODOT inventory.
The bridge is one of over 40 extant riveted thru truss bridges of all designs built between 1904 and 1959. This example is representative of the population and has moderate significance. There are also many riveted thru truss bridges servicing the many rail lines in the state.
Bridge Considered Historic By Survey: Yes
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