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PSAD-79-10 1 (1979-01-19)

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BY THE COMPTROLLER GENERAL



Report To The Congress

OF THE UNITED STATES


Solving Corrosion Problems Of

Bridge Surfaces Could Save Billions


Bridge surfaces which were expected to last
for 40 years are requiring major repairs after
5 to 10 years, and often must be replaced
after 15 years. Preventing this deterioration,
which is caused by salt used to melt snow,
would save the Department of Transporta-
tion billions of dollars in repair costs.

Cost-effective systems are available to pro-
tect newer bridges that are not yet contam-
inated by the salt--they should be installed
quickly.

For bridges which are contaminated but not
badly deteriorated, a cost-effective method
of stopping further deterioration is needed.


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I    PSAD-79-10
JANUARY 19, 1979


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