Four bridges on the Chestnut Ridge Railroad in Palmerton are scheduled for improvements.

The Horsehead Corporation will accept bids for the rehabilitation of four bridges, including various concrete and track repairs, until 3 p.m. Aug. 13.At that time, the bids will be publicly opened and read aloud.The project includes work to:• The Delaware Avenue Bridge, including special concrete repairs on the pier and abutments.• The West Aquashicola Creek Bridge, including special concrete repairs on piers 2-4, abutment 2 and the reinforced concrete deck, and installation of new timber deck ties and graduated timber approach track.• East Aquashicola Creek Bridge, including Pier 1 concrete repairs and installation of new timber tie deck and graduated timber tie approach track.• The Trestle Bridge, including multiple pier encasements, new timber deck ties, and improvements to the west end of the bridge and approach track.A prebid meeting is scheduled for 10 a.m. Aug. 4. Prospective bidders are directed to meet in the Horsehead Corporation parking lot, immediately outside the main entrance gate and adjacent to Delaware Avenue.Detailed project information is available from John P. Conrad, P.E. at

johnpconrad@aol.com or 814-937-1836.