US Bridges

HWY 002 over Horsetail & Oneonta Ck

Fair

Multnomah County, Oregon · 2.2 MI E Multnomah Falls · Structure no. 02682 002 03360

Built
1946
79 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete Continuous
Length
31 ft
5 main spans
Daily traffic
27,375
2022 count
Owner
State
State Highway Agency

About this bridge

HWY 002 over Horsetail & Oneonta Ck is a concrete continuous culvert carrying HWY 002 over Horsetail & Oneonta Ck in Multnomah County, Oregon. It was built in 1946, so it is 79 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 5 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 27,375 vehicles a day, roughly 20% of them trucks, projected to reach 34,700 by 2042. The structure is 31 ft (9.4 m) long.

CarriesHWY 002
CrossesHorsetail & Oneonta Ck
Location2.2 MI E Multnomah Falls
RouteInterstate 84
StateOregon
Coordinates45.59154, -122.07624
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans5
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,375 (2022)
Projected traffic34,700 by 2042
Trucks20%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY 002 over Horsetail & Oneonta Ck built?

It was built in 1946, making it 79 years old in 2025.

What condition is HWY 002 over Horsetail & Oneonta Ck 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 April 2023.

How much traffic does HWY 002 over Horsetail & Oneonta Ck carry?

About 27,375 vehicles per day (2022 count), of which roughly 20% are trucks.

How long is HWY 002 over Horsetail & Oneonta Ck?

The structure is 31 ft (9.4 m) long with a longest span of 6 ft (1.8 m).

Who owns HWY 002 over Horsetail & Oneonta Ck?

It is owned by the State Highway Agency.