US Bridges

Upper Boones Ferry over I-5 (hwy 001)

Fair

Washington County, Oregon · 1.5 MI N of Tualatin Rv · Structure no. 07728A001C29130

Built
1975
50 years old
Condition
Fair
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
347 ft
2 main spans
Daily traffic
15,667
2022 count
Owner
State
State Highway Agency

About this bridge

Upper Boones Ferry over I-5 (hwy 001) is a prestressed concrete continuous box beam or girders - multiple carrying Upper Boones Ferry over I-5 (hwy 001) in Washington County, Oregon. It was built in 1975, so it is 50 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 15,667 vehicles a day, roughly 9% of them trucks, projected to reach 24,300 by 2030. The structure is 347 ft (105.8 m) long and 73 ft wide.

Location

Open in Google Maps
CarriesUpper Boones Ferry
CrossesI-5 (hwy 001)
Location1.5 MI N of Tualatin Rv
RouteInterstate 5
CountyWashington County
StateOregon
Coordinates45.40792, -122.74398
Functional classUrban 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.5 US tons
Inventory rating33.6 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length347 ft (105.8 m)
Longest span147 ft (44.8 m)
Deck width73 ft (22.3 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,667 (2022)
Projected traffic24,300 by 2030
Trucks9%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Upper Boones Ferry over I-5 (hwy 001) built?

It was built in 1975, making it 50 years old in 2025.

What condition is Upper Boones Ferry over I-5 (hwy 001) 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 January 2024.

How much traffic does Upper Boones Ferry over I-5 (hwy 001) carry?

About 15,667 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is Upper Boones Ferry over I-5 (hwy 001)?

The structure is 347 ft (105.8 m) long with a longest span of 147 ft (44.8 m) and a deck 73 ft wide.

Who owns Upper Boones Ferry over I-5 (hwy 001)?

It is owned by the State Highway Agency.