Page 27 - FY Annual Report 2017-18

The three bridges constructed in FY 2017–18 are con- condition, maintenance issues and load-carrying capac-
crete. While more expensive than timber, concrete ity,” Clodfelter said. “We regularly update the bridge
bridges are also more cost effective, due to their long replacement priority list with the most current data. This
life and lower maintenance needs. The bridge costs are helps ensure that we’re replacing the bridges that need
as follows: it most when funding becomes available.”

» Basalt Creek Parkway: $4.7 million, The County avoids road closures during bridge replace-
completed August 2017 ments when possible. Bypass structures (temporary
bridges built specifically to move traffic through work
» Springhill Road: $3.1 million, zones) or multi-stage replacements (where a portion
completed November 2017
of a bridge is open to traffic while another portion
» Timber Road: $2.1 million, is replaced) can limit the impact on traffic. But both
completed June 2018 options add time and cost to the project.

LUT’s goal, Clodfelter said, is to replace four bridges per The anticipated use and structural requirements of the
year over the next 10 years. State transportation funding bridge, environmental impacts, aesthetics, traffic flow
and the County vehicle registration fee are expected during construction, and cost management are all part
to generate enough additional funding to make that of the bridge-building process.
goal achievable.
“Building bridges is creating something that lasts, a
“When prioritizing bridge replacements, we consider monument to all those who work on the project that will
the type and amount of traffic on a bridge, the structural be used and seen every day,” Vik said.

WASHINGTON COUNTY BRIDGE CONSTRUCTION

FY 2011–12 FY 2014–15

Old Cornelius Pass Road over Rock Creek Oleson Road over Fanno Creek

Meacham Road over East Fork Dairy Creek
FY 2015–16
Glencoe Road over McKay Creek
Springhill Road over Tualatin River overflow 2015 Groveland Road over Waible Creek
FY 2012–13
FY 2016–17
Scholls Ferry Road over Fanno Creek

Johnson School Road over Davis Creek Porter Road over Council Creek
Cornelius Pass Road over Beaverton Creek Gales Creek Road over Gales Creek

FY 2017–18
FY 2013–14
Springhill Road over Tualatin River overflow
Old Hwy 47 over Scoggins Creek
Timber Road over Gales Creek
Bethany Boulevard widening over US 26
Springhill Road over Tualatin River overflow 2018 Basalt Creek Parkway over railroad

23 | Partnering for the Future LUT Annual Report FY 2017–18 LUT Annual Report FY 2017–18 Partnering for the Future | 24