3 ms·
With a projected lifespan of 150 years [1], that seems pretty reasonable. [1] http://www.dot.ca.gov/dist4/eastspans/ http://www.dot.ca.gov/dist4/eastspans/
by aggie 11y ago
With a projected lifespan of 150 years [1], that seems pretty reasonable.
[1] http://www.dot.ca.gov/dist4/eastspans/ http://www.dot.ca.gov/dist4/eastspans/