Abstract:
This case study work is undertaken to identify defects on beko bridge b/n Shishinda and Bita
woredea in southern nations and nationality region, to evaluate seriousness of defects,
challenges and problems in application of repairing. The bridge was selected by assessing
bridge inventory data from Ethiopian Road Authority which is the most defected bridge in
Kafa zone.
The study is conducted to restore maximum strength of the structure to extend serviceability and
durability of a bridge at minimum maintenance cost and with in short period of time without
interruption of traffic flow, following identify defects prevailing on the structure, Identify proper
material to repair each defects Conduct proper preparation work methods to restore the defect
part material application procedure.
The main purpose of the study is prevention of further progress of bridge defects, removal of
damaged parts and restoration of section which needs regular inspection of bridge conditions not
to incur high replacement cost and interruption of traffic flow.
A descriptive case study was used in the design. It was attempted to collect data from Beko
bridge defects by using simple tools local labor around the area to identify defect types and
seriousness of the defect. Case study research design has been selected to collect each defect
cause and analysis each defects causes.
As shown form bridge repair identification problem and challenges on Beko bridge. Since
bridges are vital structure to access the road, it is difficult to replace defected bridges not
obstacle the access and needs expensive construction,. Ensure the appropriate and timely action
is taken on bridges requiring repair and rehabilitation work, strength its risk assessment and
priority setting process, with particular consideration given to bridge identification as poor
condition more closely monitor inspections’ compliance with the bridge inspection manual so
that critical bridge information is accurately updated. Ethiopian road authority should prepare
brief manual for bridge maintenance and continuous supervision by upgrading bridge
maintenance contractors.