A lane closure on U.S. Highway 101 on Cape Perpetua and around-the-clock flagging will last another week as a contractor pours concrete and make other repairs to a half-viaduct under the road.
The $477,000 Oregon Department of Transportation project is scheduled to last through June.
The contractor, Hamilton Construction, plans to pour concrete Friday, Jan. 18, with the lane closure lasting another week. Once the concrete is cured and tested the 24-hour lane closure is likely done for the remainder of the project, said Angela Beers-Seydel, an ODOT spokeswoman.
The Cape Perpetua viaduct project is one of three under way on the coast to repair and protect historic bridges from harsh weather. The biggest is on the Cape Creek Bridge just south of Heceta Head at a cost of $6.3 million. It’s scheduled to be finished in April 2020. The third is a $469,000 project to repair a bridge on Neahkahnie Mountain north of Manzanita.
The Cape Creek Bridge is listed on the National Register of Historic Places and the other two are eligible for listing.
In addition to concrete and other repairs, the bridge surfaces are sprayed with a zinc coating to help prevent the inner steel structural reinforcements from corroding, said Beers-Seydel.
