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Oregon State Marine Board

Bridges
BSNF Railway Bridge 5.1
BNSF Railway Bridge 5.1


   
 
 
River Mile 7
Main Span Length 518 Ft
Center Height to Water 55 Ft. (closed)
200 Ft. (Open)
Bridge Opening Signals Audible 1- Long 1-Short
Radio Frequency KQ9050
Bridge Operator Phone # Unknown
Access No Pedestrian/bike Traffic allowed

 
BNSF Railway Bridge 9.6
BNSF Railway Bridge 9.6
 
 
 
 
River Mile 106
Main Span Length 467 Ft.
Center Height to Water 40 Ft. (closed)
329 Ft. (Horiz. Clearence)
Bridge Opening Signals Audible 1- Long 1-Short
Radio Frequency KQ9049 (Vancouver)
Bridge Operator Phone # Unknown
Access No Pedestrian/bike Traffic allowed

 
Broadway Bridge
Broadway Bridge
 
 
 
 
River Mile 11.7
Main Span Length 278 Ft. Center
Height to Water 90 Ft.
Bridge Opening Signals Audible 2- Short 1- Long
Radio Frequency KLU 724
Bridge Operator Phone # 503-988-3455
(Limited times, if no answer call 503-988-3452)
Access Four traffic lanes, with two 11-ft. sidewalk/bike paths

 
Burnside Bridge
Burnside Bridge


   
 
 
River Mile 12.4
Main Span Length 252 Ft. (Center)
Height to Water 64 Ft.
Bridge Opening Signals Audible 1- Long 2-Short
Radio Frequency KTD 520
Bridge Operator Phone # 503-988-3454
(Limited times, if no answer call 503-988-3452)
Access Six traffic lanes, with two 7-sidewalk/bike paths

 
Fremont Bridge
Fremont Bridge


   
 
 
River Mile 11.1
Main Span Length 1,255 Ft.
Center Height to Water 175 Ft. (From lower deck)
Bridge Opening Signals Audible No Lift
Radio Frequency N/A
Bridge Operator Phone # N/A
Access Eight traffic lanes, no sidewalk/bike paths

 
Glenn L. Jackson Mem. Bridge
Glenn L Jackson Memorial Bridge


   
 
 
River Mile 112.4
Main Span Length 600 Ft.
Center Height to Water 144 Ft.
Bridge Opening Signals Audible No Lift
Radio Frequency N/A
Bridge Operator Phone # N/A
Access Four 12-ft. traffic lanes each direction
12-ft. median with 9-ft. sidewalk/bike path

 
Hawthorne Bridge
Hawthorne Bridge


   
 
 
River Mile 13.1
Main Span Length 244 Ft.
Center Height to Water 49 Ft.
Vertical Lift 110 Ft.
Bridge Opening Signals Audible 1- Long 4- Short
Radio Frequency KTD 521
Bridge Operator Phone # 503-988-3452
(Limited times, if no answer call 503-988-3452)
Access Four traffic lanes, with two 10-ft sidewalk/bike paths

 
Interstate Bridge
Interstate Bridge


   
 
 

   
River Mile 106.5
Main Span Length 279 Ft.
Center Height to Water 38 Ft. (Closed)
550174 Ft. (Open)
Barge Channel
46 Ft.
Alternate Barge Channel 72 Ft.
Radio Call Channel 13 (KBM)
Bridge Operator Phone # 971-673-6120
Access Sidewalk/bike paths

 
Marquam Bridge
Marquam Bridge


   
 
 
River Mile 13.5
Main Span Length 440 Ft.
Center Height to Water 130 Ft. (From lower deck)
Bridge Opening Signals Audible No Lift
Radio Frequency N/A
Bridge Operator Phone # N/A
Access Four traffic lanes southbound, three lanes
northbound. No pedestiran/bike traffic allowed

 
Morrison Bridge
Morrison Bridge


   
 
 
River Mile 12.8
Main Span Length 284 FT
Center Height to Water 69 Ft.
Bridge Opening Signals Audible 1- Long 3- Short
Radio Frequency Channel 13
Bridge Operator Phone # 503-988-3453
Access Six traffic lanes, with two 5-ft. sidewalk/bike paths

 
Oregon City
Oregon City Bridge


   
 
 
River Mile 25.9
Main Span Length 360 Ft.
Center Height to Water 49 Ft.
Bridge Opening Signals Audible No Lift
Radio Frequency N/A
Bridge Operator Phone # N/A
Access Two traffic lanes, with two 4.5-ft. sidewalk/bike path

 
Ross Island Bridge
Ross Island Bridge


   
 
 
River Mile 14
Main Span Length 535 Ft.
Center Height to Water 123 Ft.
Bridge Opening Signals Audible No Lift
Radio Frequency N/A
Bridge Operator Phone # N/A
Access Four traffic lanes, with one 5-ft. sidewalk/bike path

 
Sellwood Bridge
Sellwood Bridge


   
 
 
River Mile 16.5
Main Span Length 300 Ft..
Center Height to Water 75 Ft.
Bridge Opening Signals Audible No Lift
Radio Frequency N/A
Bridge Operator Phone # N/A
Access Two traffic lanes, with one 4-ft. northerly sidewalk/bike path

 
St. Johns Bridge
St. Johns Bridge


   
 
 
River Mile 5.8
Main Span Length 1,207 Ft
Center Height to Water 400 Ft.
Bridge Opening Signals Audible No Lift
Radio Frequency N/A
Bridge Operator Phone # N/A
Access Four traffic lanes, with two 5-ft. sidewalk/bike paths

 
Steel Bridge
Steel Bridge


   
 
 
River Mile 12.1
Main Span Length 211 Ft.
Center Height to Water 26 Ft (From lower deck)
Bridge Opening Signals Audible 1- Long 2- Short
Radio Frequency KTU 534
Bridge Operator Phone # 971-673-6120
Access Four traffic lanes, with two 6-ft. sidewalk/bike paths

 
Other Resources
Information on the bridges (above) is courtesy of Sharon Wood Wortman, author of, 'The Portland Bridge Book,' which won a silver award from Independent Publishers.
 
The big river bridges of Portland-Vancouver are profiled with photographs and drawings from the Historic American Engineering Study of the Willamette River bridges for the National Park Service/Library of Congress in 1999 and includes poetry, maps, a chapter on How and Why Bridges are Built (by Ed Wortman), a glossary, Portland Transportation History Timeline, with emphasis on construction of the WRBs, many illustrations and drawings, and stories.
 
It is available at many Portland-area independent bookstores and at Cover to Cover Books in Vancouver.  Check out Sharon's website at www.bridgestories.com.