US Bridges

Rood Bridge RD over Tualatin River

Fair

Washington County, Oregon · 030 MI N Farmington Road · Structure no. 19619 022 00000

Built
2004
21 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
684 ft
6 main spans
Daily traffic
6,556
2020 count
Owner
County
County Highway Agency

About this bridge

Rood Bridge RD over Tualatin River is a prestressed concrete continuous stringer/multi-beam or girder carrying Rood Bridge RD over Tualatin River in Washington County, Oregon. It was built in 2004, so it is 21 years old, younger than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 6,556 vehicles a day, roughly 5% of them trucks, projected to reach 9,537 by 2025. The structure is 684 ft (208.5 m) long and 40 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesRood Bridge RD
CrossesTualatin River
Location030 MI N Farmington Road
RouteCounty Highway C0022
CountyWashington County
StateOregon
Coordinates45.48957, -122.95142
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88 US tons
Inventory rating53 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHL 93
Structure length684 ft (208.5 m)
Longest span120 ft (36.6 m)
Deck width40 ft (12.3 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,556 (2020)
Projected traffic9,537 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Rood Bridge RD over Tualatin River built?

It was built in 2004, making it 21 years old in 2025.

What condition is Rood Bridge RD over Tualatin River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does Rood Bridge RD over Tualatin River carry?

About 6,556 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Rood Bridge RD over Tualatin River?

The structure is 684 ft (208.5 m) long with a longest span of 120 ft (36.6 m) and a deck 40 ft wide.

Who owns Rood Bridge RD over Tualatin River?

It is owned by the County Highway Agency.