COMPLETE SOLUTION CERTIFICATION
TEST SCRIPT 2026 FULL QUESTIONS AND
SOLUTIONS GRADED A+
⩥A skew bridge has an angle of deviation of less than: Answer: 90
degrees
⩥A bridge deck's geometry, such as longitudinal gradient, cross fall, and
superelevation, is primarily controlled by what? Answer: The
corresponding road design
⩥For minor bridges, why is a single-span ideally preferred? Answer: To
avoid piers
⩥Why is an odd number of spans preferred for fast-flowing rivers with
high debris loads? Answer: To prevent a pier in the middle of the
channel
⩥What condition suggests that smaller spans with more piers should be
used? Answer: Low substructure costs
⩥What condition suggests that longer spans with fewer piers should be
used? Answer: High substructure costs (e.g., deep soft soils)
, ⩥What is the minimum roadway width for a 1-lane bridge? Answer:
4.00 m
⩥What is the minimum roadway width for a 2-lane bridge? Answer:
7.32 m
⩥Based on the DWPH D.O. No. 11 Series of 2014, what is the
carriageway width for a 4.0 m Farm to Market Road? Answer: 4.60 m
⩥How is the "length of the bridge" defined? Answer: The total distance
between faces of back of backwalls
⩥The slope of bridge approach embankments is typically 1H:1V to
1.5H:1V. What slope is recommended from seismic considerations?
Answer: 1.5H:1V or flatter
⩥What bridge type is not designed in accordance with a Bridge Code
and is subject to early fatigue failure? Answer: Bailey bridge
⩥A timber trestle bridge typically requires its members to be replaced
after how many years? Answer: 3 years