US Bridges

I-84 (hwy 002) over Deschutes River

Fair

Sherman County, Oregon · 141 MI E the Dalles · Structure no. 00332C002 09985

Built
1964
61 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
580 ft
5 main spans
Daily traffic
16,485
2022 count
Owner
State
State Highway Agency

About this bridge

I-84 (hwy 002) over Deschutes River is a steel stringer/multi-beam or girder carrying I-84 (hwy 002) over Deschutes River in Sherman County, Oregon. It was built in 1964, so it is 61 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 16,485 vehicles a day, roughly 29% of them trucks, projected to reach 18,000 by 2042. The structure is 580 ft (176.8 m) long and 75 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesI-84 (hwy 002)
CrossesDeschutes River
Location141 MI E the Dalles
RouteInterstate 84
CountySherman County
StateOregon
Coordinates45.63513, -120.91457
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25.7 US tons
Inventory rating20 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length580 ft (176.8 m)
Longest span116 ft (35.4 m)
Deck width75 ft (22.9 m)
Roadway width70 ft (21.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,485 (2022)
Projected traffic18,000 by 2042
Trucks29%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-84 (hwy 002) over Deschutes River built?

It was built in 1964, making it 61 years old in 2025.

What condition is I-84 (hwy 002) over Deschutes 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 August 2023.

How much traffic does I-84 (hwy 002) over Deschutes River carry?

About 16,485 vehicles per day (2022 count), of which roughly 29% are trucks.

How long is I-84 (hwy 002) over Deschutes River?

The structure is 580 ft (176.8 m) long with a longest span of 116 ft (35.4 m) and a deck 75 ft wide.

Who owns I-84 (hwy 002) over Deschutes River?

It is owned by the State Highway Agency.