OR 99

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OLD PACIFIC HIGHWAY: Oregon Route 99 which is broken into segments throughout the state is the route of Old U.S. Route 99. Located along the route many Conde B. McCullough designed bridges can be found in some spectacular settings. Some of the major crossings along Oregon 99 have been rehabilitated and restored, while some are in need of work in order to be saved.

Ashland Creek Bridge (Jackson County, Oregon)
Built 1911
Concrete arch bridge over Ashland Creek on OR 99 in Ashland
Open to traffic

Caveman Bridge (Josephine County, Oregon)
Built 1931
Rainbow arch bridge over Rogue River on Southbound US 199 in Grants Pass
Open to traffic

Dr. John McLoughlin Memorial Bridge (Clackamas County, Oregon)
Built 1933
Steel tied arch bridge over Clackamas River on OR 99E in Gladstone
Open to traffic

Foots Creek Bridge (Jackson County, Oregon)
Built 1928
Concrete tee beam bridge over Foots Creek on OR 99 (Old U.S. 99)
Open to traffic

Gold Hill Bridge (Jackson County, Oregon)
Built 1927; rehabilitated 1947
Concrete arch bridge over Rogue River on OR 99 at Gold Hill
Open to traffic

Harrisburg Bridge (Linn County, Oregon)
Built 1925; rehabilitated 1976
Parker through truss bridge over Willamette River on OR 99E in Harrisburg
Open to traffic

Hill Creek Bridge (Lane County, Oregon)
Built 1938
Wooden bridge over Hill Creek on OR 99
Open to traffic

I-5 - Santiam River Bridge (Marion County, Oregon)
SB built 1946, NB built 1958, NB replaced 1991, SB replaced 1995
Lost pair of steel arch bridges over Santiam River on Interstate 5
Replaced by new bridge

Martin Luther King Jr. Blvd Viaduct (Multnomah County, Oregon)
Built 1937, Replaced 2008-2009
Stringer bridge over UPRR & Division Street on Oregon 99E in Portland
Replaced by a new bridge

Marys River Bridge (Benton County, Oregon)
Built 1933
Parker through truss bridge over Marys River on Northbound OR 99W in Corvallis
Open to traffic

McLoughlin Boulevard Pedestrian Bridge (Clackamas County, Oregon)
Built 2006
Steel through arch bridge over McLoughlin Boulevard (OR-99E) on Springwater Trail in Milwaukie
Open to pedestrians

Miller's Gulch Bridge (Jackson County, Oregon)
Built 1920, Widened 1948
Concrete tee beam bridge over Miller's Gulch on OR 99 (Old U.S. 99)
Open to traffic

Molalla River Bridge (Clackamas County, Oregon)
Built 1936, Made One-Way in 1963
Warren deck truss bridge over Molalla River on Northbound OR-99 E
Open to traffic

Myrtle Creek Bridge (Douglas County, Oregon)
Built 1922, Rehabilitation & Widening 2007
Concrete arch bridge over South Umpqua River on CR 386 in Myrtle Creek
Open to traffic

Myrtle Creek Bridge (Douglas County, Oregon)
Built 1930
Stringer bridge over Myrtle Creek on OR-99 (Old Pacific Highway) in Myrtle Creek
Open to traffic

North Yamhill River Bridge (Yamhill County, Oregon)
Built 1921
Warren deck truss bridge over North Yamhill River on Southbound OR 99W
Open to traffic

PNWR - St. Joseph Undercrossing (Yamhill County, Oregon)
Built 1921, Lengthened and raised 1953.
Steel stringer bridge over OR 99W on Portland & Western Railroad
Open to traffic

Pudding River Bridge (Clackamas County, Oregon)
Built 1947
Steel tied arch bridge over Pudding River on OR-99E
Open to traffic

Rock Point Bridge (Jackson County, Oregon)
Built 1919, Rehabilitated 2010
Concrete arch bridge over Rogue River on OR 99
Open to traffic

Sardine Creek Bridge (Jackson County, Oregon)
Built 1938
Concrete deck girder bridge over Sardine Creek on OR 99
Open to traffic

South Umpqua River Bridge (Douglas County, Oregon)
Replaced 2000
Lost continuous Warren through truss bridge over South Umpqua River on CR 387 in Dillard
Built in 1939, Replaced by new bridge in 2000

Steel Bridge (Multnomah County, Oregon)
Built 1912
Vertical-lift through truss bridge over Willamette River on Pacific Highway West & MAX Blue Line in Portland
Open to highway and light rail traffic on upper deck; bicycle/pedestrian and rail traffic on lower deck

Tualatin River Bridge (Washington County, Oregon)
Built 1929
Warren deck truss bridge over Tualatin River on OR 99W SB in Tualatin
Open to traffic

Whiteson Bridge (Yamhill County, Oregon)
Built 1938, Replaced 2002
Lost Steel stringer bridge over South Yamhill River on OR 99W
Replaced by pre-cast girder bridge in 2002

Whiteson Dip Bridge (Yamhill County, Oregon)
Built 1956
Concrete deck girder bridge over Whiteson Dip on OR-99W
Open to traffic

Winchester Bridge (Douglas County, Oregon)
Built 1923, Rehabilitated 2008
Concrete arch bridge over North Umpqua River on OR 99
Open to Traffic