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• Nighttime noise construction information, (253) 620-4440
• Contact the TNB Office, 1 (877) 762-7769
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Lisa Murdock
Olympic Region Communications Manager
(360) 357-2789
WSDOT Olympic Region
(360) 357-2600
Contact us and tell us
what you think:
orfeedback@wsdot.wa.gov or
Online Bridge Form
WSDOT
3214 50 Street Court NW, Building D, Suite 302
Gig Harbor, WA 98335
TNC
2110 14th Ave. NW
Gig Harbor, WA 98335
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Just the Bridge Facts
At a Glance
| Project Scope: |
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3.4 miles of roadway including new bridge. Boundaries
are from Jackson Avenue NW in Tacoma to 36th Street NW in Gig Harbor. |
| Completion: |
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New bridge opened to traffic July 16, 2007
1950 bridge retrofit to be complete in spring 2008. |
| Owner: |
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WSDOT |
| Contractor: |
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Tacoma Narrows Constructors (Bechtel and Kiewit venture) |
| Cost: |
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$849 million ($800 million paid by tolls) |
| Initial Toll: |
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TNB financial plan assumes $3 roundtrip toll in first year; collected
in eastbound direction. |
New Bridge Vital Statistics
| Bridge Length (overall): |
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5,400 feet |
| Main Span (tower to tower): |
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2,800 feet; 69 pairs of suspender hangers per side. |
| Side Span, East: |
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1,200 feet; 29 pairs of suspender hangers per side. |
| Side Span, West: |
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1,400 feet; 34 pairs of suspender hangers per side |
| Suspended Roadway (deck panels, barriers,
utilities) |
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53 million pounds
46 deck sections
120-feet long by 78-feet wide by 30-feet high (including hand railing)
is average size |
| Towers: |
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510 feet tall
8,500 cubic yards concrete (per tower)
2.9 million pounds of reinforcing steel (both) |
| Caissons (tower foundations, each): |
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85,000 tons (total weight)
6 million pounds of reinforcing steel
40,500 cubic yards concrete (Tacoma)
37,000 cubic yards concrete (Gig Harbor) |
| Anchorages (each): |
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81 million lbs (total weight)
20, 000 cubic yards concrete
1 million pounds reinforcing steel |
| Cable Diameter (each): |
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20.5 inches
Each cable contains 19 strands of 464 wires
Individual steel wire is the diameter of a pencil
8,816 steel wires per cable |
Structural Steel, Superstructure
(parts of the bridge above water): |
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35.5 million pounds |
Structural Steel,
Suspension System
(cable wire and saddles atop towers):
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12 million pounds |
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