US Bridges

I-84 (hwy 006) over Westland IRR Canal

Fair

Umatilla County, Oregon · 042 MI E Morrow CO LN · Structure no. 05203A006 18159

Built
1967
58 years old
Condition
Fair
inspected March 2024
Type
Frame
Concrete Continuous
Length
30 ft
1 main span
Daily traffic
16,309
2022 count
Owner
State
State Highway Agency

About this bridge

I-84 (hwy 006) over Westland IRR Canal is a concrete continuous frame carrying I-84 (hwy 006) over Westland IRR Canal in Umatilla County, Oregon. It was built in 1967, so it is 58 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 16,309 vehicles a day, roughly 25% of them trucks, projected to reach 19,700 by 2042. The structure is 30 ft (9.1 m) long and 180 ft wide. If it were closed, the detour would be 13.7 mi (22 km).

Location

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CarriesI-84 (hwy 006)
CrossesWestland IRR Canal
Location042 MI E Morrow CO LN
RouteInterstate 84
CountyUmatilla County
StateOregon
Coordinates45.78788, -119.34943
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.1 US tons
Inventory rating46 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width180 ft (54.9 m)
Roadway width180 ft (54.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,309 (2022)
Projected traffic19,700 by 2042
Trucks25%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13.7 mi (22 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 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 I-84 (hwy 006) over Westland IRR Canal built?

It was built in 1967, making it 58 years old in 2025.

What condition is I-84 (hwy 006) over Westland IRR Canal 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 March 2024.

How much traffic does I-84 (hwy 006) over Westland IRR Canal carry?

About 16,309 vehicles per day (2022 count), of which roughly 25% are trucks.

How long is I-84 (hwy 006) over Westland IRR Canal?

The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m) and a deck 180 ft wide.

Who owns I-84 (hwy 006) over Westland IRR Canal?

It is owned by the State Highway Agency.