Build A Bridge
 | A 5,000-foot span across an ocean bay where huge ships come and go. |
| A 120-foot span across a freeway. |  |
 | A 1,000-foot span across a river busy with barge traffic. |
| A 700-foot span across a deep canyon gorge. |  |
Step 3 - Play the game.
Photos: (1) © Richard D. Strange; (2) Rita Serderian-Precast/Prestressed Concrete Institute; (3) Portland Cement Association; (4) The Honshu-Shikoku Bridge Authority.
ncG1vNJzZmivp6x7sa7SZ6arn1%2BstKO0jqemr5lfl7%2BqsMaeZputmaGxb7TTpqM%3D