×
INTELLIGENT WORK FORUMS
FOR ENGINEERING PROFESSIONALS

Contact US

Log In

Come Join Us!

Are you an
Engineering professional?
Join Eng-Tips Forums!
  • Talk With Other Members
  • Be Notified Of Responses
    To Your Posts
  • Keyword Search
  • One-Click Access To Your
    Favorite Forums
  • Automated Signatures
    On Your Posts
  • Best Of All, It's Free!

*Eng-Tips's functionality depends on members receiving e-mail. By joining you are opting in to receive e-mail.

Posting Guidelines

Promoting, selling, recruiting, coursework and thesis posting is forbidden.

Students Click Here

Truss cost estimates

Truss cost estimates

Truss cost estimates

(OP)
I currently have a very light weight (less than pedestrian) modular steel bridge design. I'm trying to estimate its constructed cost, and could use your help/experience.

The bridge module comes in at just under 100 plf (pounds/linear foot). Steel is currently going for about $666/ton = $0.33/lb. Structural shapes are going for about $2.60/lb, except for angle which is about half that. But i don't know what constructed trusses are going for. The module should be produced in large volume, so i expect heavily robotic manufacture. I think open web steel joists are probably a good model (about same ratio of weld joint length to member length; also large volume).

Anyone able to share the going rate for open web joists ($/lb)?

RE: Truss cost estimates

We're seeing bid prices in the range of $4.00 lb for the structural steel for welded plate girder highway bridges; slightly less, maybe $3.50 for the steel for wide flange girder bridges. Of course, we're dealing in large quantities (100,000 lbs and up), but that includes erecting the steel, also.

Red Flag This Post

Please let us know here why this post is inappropriate. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework.

Red Flag Submitted

Thank you for helping keep Eng-Tips Forums free from inappropriate posts.
The Eng-Tips staff will check this out and take appropriate action.

Reply To This Thread

Posting in the Eng-Tips forums is a member-only feature.

Click Here to join Eng-Tips and talk with other members! Already a Member? Login



News


Close Box

Join Eng-Tips® Today!

Join your peers on the Internet's largest technical engineering professional community.
It's easy to join and it's free.

Here's Why Members Love Eng-Tips Forums:

Register now while it's still free!

Already a member? Close this window and log in.

Join Us             Close