US Bridges

Timber Road over Gales Creek

Good

Washington County, Oregon · 001 MI N HWY 6 · Structure no. 22602 000 00008

Built
2017
8 years old
Condition
Good
inspected August 2023
Type
Tee Beam
Prestressed Concrete
Length
124 ft
1 main span
Daily traffic
699
2020 count
Owner
County
County Highway Agency

About this bridge

Timber Road over Gales Creek is a prestressed concrete tee beam carrying Timber Road over Gales Creek in Washington County, Oregon. It was built in 2017, so it is 8 years old, younger than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 699 vehicles a day, roughly 10% of them trucks, projected to reach 794 by 2025. The structure is 124 ft (37.8 m) long and 33 ft wide. If it were closed, the detour would be 30.4 mi (49 km).

CarriesTimber Road
CrossesGales Creek
Location001 MI N HWY 6
RouteCounty Highway 0
StateOregon
Coordinates45.65127, -123.27593
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating51 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length124 ft (37.8 m)
Longest span124 ft (37.8 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic699 (2020)
Projected traffic794 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed30.4 mi (49 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Timber Road over Gales Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is Timber Road over Gales Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does Timber Road over Gales Creek carry?

About 699 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Timber Road over Gales Creek?

The structure is 124 ft (37.8 m) long with a longest span of 124 ft (37.8 m) and a deck 33 ft wide.

Who owns Timber Road over Gales Creek?

It is owned by the County Highway Agency.