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Portland Bridges. by Ms. Polkow's third grade researchers, Ainsworth Elementary. The Morrison Bridge. The Morrison Bridge was built in 1887, it was the first bridge built in Portland First it was made out of wood then it rotted so they had to replace it with the Morrison Bridge we have now.

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portland bridges

Portland Bridges

by Ms. Polkow's third grade researchers, Ainsworth Elementary

the morrison bridge

The Morrison Bridge

  • The Morrison Bridge was built in 1887, it was the first bridge built in Portland
  • First it was made out of wood then it rotted so they had to replace it with the Morrison Bridge we have now.
  • The Morrison Bridge is also called the downtown bridge because it is in downtown Portland.

by Henry & Sophia

the morrison bridge1

The Morrison Bridge

  • The Morrison Bridge is a ''bascule lift bridge.'
  • The Bridge  was a ''toll bridge.'' 
  • The toll was 20 cents to cross the bridge.
  • It has 6 traffic lanes and 2 sidewalks.
  • It was named after John Morrison, a missionary.

by Sophia & Henry

t h e s e l l w o o d b r i d g e


  • The Sellwood bridge was named after Reverend James Sellwood.
  • It was the first bridge near downtown Portland.
  • The Sellwood bridge goes across the Willamette river.
      • It  was built in 1922.
  • The Sellwood Bridge is non-movable.

by Lucy, Isabelle, and Sydney!

the steel bridge j

The Steel BridgeJ

  • The Steel Bridge was built in 1888.
  • It was opened in 1912.
  • The Steel Bridge was the first non-wooden bridge on the Pacific Cost.
  • It is a vertical lift bridge.
  • The Steel Bridge is owned by 2 railroad companies and rents the upper deck to the Oregon State Highway Department.

by Katie and Cassidy

t h e s t e e l b r i d g e

The Steel Bridge

  • nicknamed "new"bridge
  • first bridge in Portland

made of steel

  • upper deck trolly cars
  • lower deck trains

by  Cassidy and Katie

the fremont bridge

The Fremont Bridge

by Jackson and  Eddie 

The Fremont Bridge has 2 decks.

The lower deck is for cars going east, and the top deck is for cars going west.

84,000 cars cross the bridge every day.                


  • built 1973
  • 381 ft. above water
  • no side-walks
  • arch=12,000,000LBS.
the glenn jackson bridge

The Glenn Jackson Bridge was built in 1982.

  • It was shared by two states, Washington and Oregon.
  • It crosses from Portland to Vancouver.
  • It is a very busy bridge.
  • It carries interstate 205.
  • It is a post tension box girder bridge, which means it can not move unlike other Portland Bridges.
  • It is 11,760 ft.(2,226 meters long).

The Glenn Jackson Bridge

by Keaka &


the bur nside b rid ge


  • Opened-1910!
  • 64 feet over water !
  • It cost $ 4.5 million.
  • It weighs 2,000 tons.   

by Jordan and Tanner

the ross island bridge

The Ross Island Bridge

  • cantilever
  • not movable
  • crosses Willamette river
  • 28,000 cross each day
  • named after Sherry Ross
  • Willamette blue color

by Bergin and Ian

the interstate bridge

The Interstate bridge

The bridge is actually two bridges side by side - two bridges in one!

The Interstate bridge was finished in 1917.

its colour is green!

1st bridge was built in 1917.

by Ella and Tristan

The total length is 3,538ft.

Is 1 of only  two bridges  across Columbia.

The 2nd bridge was built in 1958.

the st john s bridge

The St. John's Bridge 

by Eva and Natalia

  • Built in 1931
  • 205 f.t. above water
  • Name from James Johns
  • It is a suspension bridge
  • Under the St.Johns bridge is the Willamette River    

It's towers are 408 feet above water. 20,000 vehicles cross each day.It is 6 miles North of the Fremont bridge.

t h e m a r q u a m b r i d g e

The Marquam Bridge

by Leo & Grayson

  • The Marquam bridge was named after Phillip Marquam. 
  • The Marquam bridge is 440 feet long for length.
  • 1,000 vehicles use it per day.
the hawthorne bridge

The Hawthorne Bridge

  • The hawthorne bridge was built in 1910
  • It bridge was named after Dr. Hawthorne.
  • The Hathorne brige is 35 feet above water.
  • It had cost 500,000 dollers to buld.
  • The hawthorne bridge is a lift span.

by Clara and Maya

  • The Hawthorne is a draw bridge.
  • The bridge is creaky.                                     
the broadway bridge

The Broadway Bridge is the worlds longest bascule bridge. 

  • The bridge has four sidewalks.
  •  The bridge was built in 1918.
  • Bikes can fit on the side walks.
  • In 1982 it needed repairs.
  • The bridge is red.
  • The bridge goes across the Willamette.

The Broadway Bridge

Have you ever wondered about the Broadway Bridge?


more about the broadway bridge

90 ft tall

  • painted brick red
  • should last 100 yrs.
  • 7th streetnamed after bridge
  • 4 traffic lanes

More about The Broadway Bridge




Carlisle, Norman, and Madelyn Carlisle. The True Book of Bridges. Chicago: Childrens Press, 1965.

Wortman, Sharon Wood, and Ed Wortman. The Portland Bridge Book. Portland, OR: Urban Adventure Press, 2006.

Wood, Sharon. The Portland Bridge Book. Portland, OR: Oregon Historical Society Press, 1989.

Portland, Our Community: Children's Readings. Portland, OR: Portland Public Schools, 1992.