US Bridges

I-84 (hwy 002) over UPRR

Good

Wasco County, Oregon · 111 MI W the Dalles · Structure no. 18408 002 07116

Built
2001
24 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
354 ft
3 main spans
Daily traffic
25,052
2022 count
Owner
State
State Highway Agency

About this bridge

I-84 (hwy 002) over UPRR is a prestressed concrete stringer/multi-beam or girder carrying I-84 (hwy 002) over UPRR in Wasco County, Oregon. It was built in 2001, so it is 24 years old, younger than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 25,052 vehicles a day, roughly 24% of them trucks, projected to reach 30,400 by 2042. The structure is 354 ft (107.9 m) long and 92 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesI-84 (hwy 002)
CrossesUPRR
Location111 MI W the Dalles
RouteInterstate 84
StateOregon
Coordinates45.69553, -121.37886
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.3 US tons
Inventory rating26.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length354 ft (107.9 m)
Longest span141 ft (42.9 m)
Deck width92 ft (28 m)
Roadway width87 ft (26.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,052 (2022)
Projected traffic30,400 by 2042
Trucks24%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed9.9 mi (16 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—
NavigationNot applicable (no waterway)

Frequently asked questions

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

It was built in 2001, making it 24 years old in 2025.

What condition is I-84 (hwy 002) over UPRR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.

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

About 25,052 vehicles per day (2022 count), of which roughly 24% are trucks.

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

The structure is 354 ft (107.9 m) long with a longest span of 141 ft (42.9 m) and a deck 92 ft wide.

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

It is owned by the State Highway Agency.