
Steel Bridges: Conceptual and Structural Design of Steel and Steel-Concrete Composite Bridges-
Amazon
From $121.92 (New)

From $121.92 (New)

| Last Seen | |
| Highest | $146.20 Dec 1, '15 |
| Lowest | $104.96 Aug 29, '15 |
| Average | $142.54 (30d avg) $143.66 (90d avg) $139.62 (180d avg) $137.36 (365d avg) $131.68 (Lifetime average) |
| Added | Oct 7, 2013 |
| Last Seen | |
| Highest | $125.00 Jun 7, '14 |
| Lowest | $62.89 Nov 29, '14 |
| Average | $106.66 (30d avg) $103.17 (90d avg) $97.88 (180d avg) $100.43 (365d avg) $107.18 (Lifetime average) |
| Added | Oct 7, 2013 |
| Last Seen | |
| Highest | $141.00 Feb 14, '16 |
| Lowest | $62.89 Nov 29, '14 |
| Average | $130.46 (30d avg) $128.75 (90d avg) $122.03 (180d avg) $119.06 (365d avg) $123.55 (Lifetime average) |
| Added | Oct 7, 2013 |
30 day average: 1,693,294
90 day average: 1,349,931