Bascule Bridge – Route 99 Bridge over Mystic River
Boston, MA
Owner: MASS DOT
Approx. 2,650 tons of metalized and painted structural steel
Contractor: SPS New England
![](https://cascobaysteel.com/wp-content/uploads/2020/02/IMG_0043-800x420.jpg)
![](https://cascobaysteel.com/wp-content/uploads/2020/02/jobsite-3-23-12-035-800x420.jpg)
![](https://cascobaysteel.com/wp-content/uploads/2020/02/jobsite-3-23-12-018-800x420.jpg)
![](https://cascobaysteel.com/wp-content/uploads/2020/02/444-102-2-800x420.jpg)
Sarah Long Lift Span
Portsmouth, NH – Kittery, ME
Design/Build w/Cianbro Corp.
Approx. 1,000 tons of Box Girders – Metalized and Painted
![](https://cascobaysteel.com/wp-content/uploads/2020/02/Sarah-Long-Calendar-Photo-1-800x420.jpg)
![](https://cascobaysteel.com/wp-content/uploads/2020/02/sarahlong-017-800x420.jpg)
![](https://cascobaysteel.com/wp-content/uploads/2020/02/OBG1-Moved-800x420.jpg)