Interstate Bridge (I-5) Facts & Figures |
|
| Historical Background | |
| Opened: |
February 14, 1917 (northbound/east span) July 1, 1958 (southbound/west span) |
| Type: |
Steel through truss (Pennsylvania-Petit), vertical lift span |
| Main Span Length: | 531 Feet |
| Center Height to Water: | 72 Feet |
| Outside Width: | 38 Feet, each bridge (3 lanes northbound and southbound) |
| Color: | Green |
| Cost: |
$1.75 million (1917 span) $14.5 million (1958 span, and alterations to 1917 bridge) |
| Owner: | States of Oregon and Washington, jointly |
| Past Repair and Reconstruction Information | |
| 1987-90: |
Lift cable & drum replacement $403,000 |
| 1989-90: |
Expansion joint repair and redecking $2.5 million |
| 1994: | Tug with barge-mounted crane rammed the southbound span -- damage was assessed at $138,000 |
| 1995: |
Replacement of diesel generator and emergency lift engine $120,000 |
| 1997: |
Replacement of trunnion on northbound span $3 million |
| Future Repair and Reconstruction Information | |
| 1999 (est.): |
Bridge painting $16 million (est.) |
| 2002 (est.): |
Replace electrical control system $4 million (est.) |
Traffic Count Data |
|
 |
| [ Home | What's New | Agency | Duties | Services | Studies | Resources | Links ] |
|
Send mail to webmaster@rtc.wa.gov
with questions or comments about this web site.
|