US Bridges

Roy Rogers RD over Tualatin River

Fair

Washington County, Oregon · 006 MI N Scholls-Sherwood · Structure no. 671217126200380

Built
1971
54 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
314 ft
3 main spans
Daily traffic
6,446
2020 count
Owner
County
County Highway Agency

About this bridge

Roy Rogers RD over Tualatin River is a prestressed concrete stringer/multi-beam or girder carrying Roy Rogers RD over Tualatin River in Washington County, Oregon. It was built in 1971, so it is 54 years old, older 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 6,446 vehicles a day, roughly 5% of them trucks, projected to reach 7,109 by 2025. The structure is 314 ft (95.7 m) long and 44 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesRoy Rogers RD
CrossesTualatin River
Location006 MI N Scholls-Sherwood
RouteCounty Highway C0330
StateOregon
Coordinates45.38838, -122.85188
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length314 ft (95.7 m)
Longest span105 ft (32 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,446 (2020)
Projected traffic7,109 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Roy Rogers RD over Tualatin River built?

It was built in 1971, making it 54 years old in 2025.

What condition is Roy Rogers 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 July 2024.

How much traffic does Roy Rogers RD over Tualatin River carry?

About 6,446 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Roy Rogers RD over Tualatin River?

The structure is 314 ft (95.7 m) long with a longest span of 105 ft (32 m) and a deck 44 ft wide.

Who owns Roy Rogers RD over Tualatin River?

It is owned by the County Highway Agency.