US Bridges

I-84 (hwy 002) WB over UPRR

Fair

Wasco County, Oregon · In the Dalles · Structure no. 08603W002 08428

Built
1964
61 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
309 ft
1 main span
Daily traffic
12,374
2022 count
Owner
State
State Highway Agency

About this bridge

I-84 (hwy 002) WB over UPRR is a steel stringer/multi-beam or girder carrying I-84 (hwy 002) WB over UPRR in Wasco 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 12,374 vehicles a day, roughly 24% of them trucks, projected to reach 18,850 by 2042. The structure is 309 ft (94.2 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-84 (hwy 002) WB
CrossesUPRR
LocationIn the Dalles
RouteInterstate 84
CountyWasco County
StateOregon
Coordinates45.60675, -121.19203
Functional classUrban 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.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.5 US tons
Inventory rating28.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+5 approach)
Design loadHS 20
Structure length309 ft (94.2 m)
Longest span126 ft (38.4 m)
Deck width33 ft (10 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,374 (2022)
Projected traffic18,850 by 2042
Trucks24%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-84 (hwy 002) WB over UPRR built?

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

What condition is I-84 (hwy 002) WB over UPRR 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 2023.

How much traffic does I-84 (hwy 002) WB over UPRR carry?

About 12,374 vehicles per day (2022 count), of which roughly 24% are trucks.

How long is I-84 (hwy 002) WB over UPRR?

The structure is 309 ft (94.2 m) long with a longest span of 126 ft (38.4 m) and a deck 33 ft wide.

Who owns I-84 (hwy 002) WB over UPRR?

It is owned by the State Highway Agency.