Description: BRIDGE #36 - DURHAM COUNTY LOCATION: SR 1671 (Camden Ave.) over a creek
ITEM(S) OF INTEREST:Cored slab structure built by the Bridge Maintenance Unit in 1967. Current ADT is 1700 vehicles.
Observations and Points of Discussion:
Cored slab units did not appear to have significant damage from below.
The bridge had an asphalt overlay with evidence of repairs over the joints
There was evidence of some leaking over the joints
The substructure appeared to be deficient.
Sheet flow of drainage over the side of cored slab units did not appear to affect the exterior faces of the cored slab units.
The Structure Design will develop policy on when a concrete overlay should be considered.
In addition, the department will conduct further investigations of cored slab bridges in service
The Bridge Maintenance Unit will assemble a list of cored slab bridges.
NC DOT
NC DOH
NC GOV
