2018-2019 Steel Bridge Team

Northern Arizona University


AISC Competition Site

The bridge was designed, fabricated, and erected in accordance with the rules and guidelines outlined in the 2019 Student Steel Bridge Competition (SSBC) which is sponsored by the American Institute of Steel Construction (AISC). The Steel Bridge team will compete against 18 other schools at California Polytechnic State University, San Luis Obispo, on April 3rd - 6th, 2019.  


Categories of Competition

The bridge submitted for competition was judged according to aesthetics, construction speed, lightness, stiffness, construction economy, structural efficiency, and overall performance. These scoring categories will be furthered discussed in the following sections. Overall, the purpose of this project is to enter a competing bridge model that will perform exceptionally at the 2019 SSBC. 


Tasks

Task 1: Project Research
Task 2: Resourcing
Task 3: Structural Analysis
Task 4: Fabrication
Task 5: Construction Practice
Task 6: Project Deliveables
Task 7: Project Management

Design Alternatives

Preliminary Through-Truss Designs
Preliminary Deck Truss Designs
   
 

Final Design

The final design of the bridge is an Arched Warren Through-Truss. The photo below shows the bridge after building it at competition.

Figure 1


Competition Results

 


Scheduling and Budget

Project Gantt Chart with Critical Path

Figure 2

 

Table 1: Staffing Hours

 

Table 2: Billable Rates