Polly Ranch Road (BR3-409)
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[Location Map] Bridge 3-409 has been identified by DelDOT's Bridge Management Section as being in need of replacement. The bridge is located on Polly Branch Road over Polly Branch, north of Selbyville in Sussex county.
[West Elevation] Bridge 3-409 consists of three 71 inch by 47 inch corrugated metal pipe arches with a total length of approximately 50 feet.
[General Existing Perforation Span 3] The metal pipe arches of this bridge consists of galvanized steel and has been in place for approximately 43 years. Although most of the structure has held up well, areas on some of the pipes have experienced heavy rust. Because of this, there has been a significant loss of metal at some of these areas. it is important to note that the bridge remains safe to carry normal traffic at this time, however significant corrosion, deterioration and continued structural deficiencies warrant a full bridge replacement.
[Bridge Plan, Section and Elevation] As seen on the bridge plan, section and elevation sheet, DelDOT proposes to replace the existing metal pipe structure with reinforced concrete pipes. Additionally, riprap will be placed into the streambed and along the side slopes to protect the proposed bridge and prevent scour or erosion of the stream channel. This work should take approximately 40 days to complete and is scheduled to occur during the spring or summer of 2015.
[Detour Plan] During construction, the road will be closed in order to perform the proposed work. As you can see, a temporary detour has been planned to accommodate the traveling public.
[Detour Map] This map more clearly demonstrates the route that thru-traffic will take during the temporary road closure. Motorists will be given advance notice of this closure prior to the detour. From the east, motorists on Polly branch road (s386) will be directed left onto Bethany road (us 17) and then right onto pepper road (s376). From the west, motorists on pepper road (s386) will be directed to continue straight on pepper road past Polly branch road, and then left onto Bethany Road to Polly branch road (s386).
[Construction Plan] Although DelDOT strives to perform as much of the work as possible within the department's existing right-of-way, sometimes the nature of the work requires a larger area than what is provided. That is the case for this project. As can be seen on the plan sheet, right-of-way and easements will be needed from adjacent property owners in order to complete the work. Right-of-way will be required for the placement and maintenance of the rip-rap in and around the stream. The rip-rap will be buried and covered with streambed material in the stream, or topsoil, grass seed, and mulch on the stream banks. Temporary construction easements will be needed beyond the right-of-way for the placement of sandbags and to divert the stream flow so the in-stream work can be completed. These areas will be restored to their natural condition upon completion of the work. A real estate representative will be in contact with the affected property owners to explain the department's real estate process.