US Bridges

Turk Road over West Fork Dairy Creek

PoorPosted for load

Washington County, Oregon · 001 MI N Sell Road · Structure no. 671374056700001

Built
1961
64 years old
Condition
Poor
inspected August 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
66 ft
4 main spans
Daily traffic
208
2020 count
Owner
County
County Highway Agency

About this bridge

Turk Road over West Fork Dairy Creek is a wood or timber stringer/multi-beam or girder carrying Turk Road over West Fork Dairy Creek in Washington County, Oregon. It was built in 1961, so it is 64 years old, older than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 208 vehicles a day, roughly 5% of them trucks, projected to reach 230 by 2025. The structure is 66 ft (20.1 m) long and 20 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesTurk Road
CrossesWest Fork Dairy Creek
Location001 MI N Sell Road
RouteCounty Highway C0023
StateOregon
Coordinates45.65973, -123.15516
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating24.3 US tons
Inventory rating19 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans4
Design loadH 20
Structure length66 ft (20.1 m)
Longest span19 ft (5.8 m)
Deck width20 ft (6.2 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic208 (2020)
Projected traffic230 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$338,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Turk Road over West Fork Dairy Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is Turk Road over West Fork Dairy Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2023.

How much traffic does Turk Road over West Fork Dairy Creek carry?

About 208 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Turk Road over West Fork Dairy Creek?

The structure is 66 ft (20.1 m) long with a longest span of 19 ft (5.8 m) and a deck 20 ft wide.

Who owns Turk Road over West Fork Dairy Creek?

It is owned by the County Highway Agency.