US Bridges

River RD over UPRR

Fair

Wasco County, Oregon · West Dalles @ Chen Inter · Structure no. 18154 002 08208

Built
1998
27 years old
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
106 ft
1 main span
Daily traffic
1,967
2022 count
Owner
State
State Highway Agency

About this bridge

River RD over UPRR is a concrete box beam or girders - multiple carrying River RD over UPRR in Wasco County, Oregon. It was built in 1998, so it is 27 years old, younger 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 1,967 vehicles a day, roughly 24% of them trucks, projected to reach 1,600 by 2030. The structure is 106 ft (32.2 m) long and 83 ft wide.

CarriesRiver RD
CrossesUPRR
LocationWest Dalles @ Chen Inter
RouteU.S. Route 84
StateOregon
Coordinates45.63075, -121.21268
Functional classUrban Collector

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.1 US tons
Inventory rating40 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length106 ft (32.2 m)
Longest span103 ft (31.4 m)
Deck width83 ft (25.3 m)
Roadway width69 ft (21 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,967 (2022)
Projected traffic1,600 by 2030
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed—
TollOn a free road
National Highway SystemNo

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 River RD over UPRR built?

It was built in 1998, making it 27 years old in 2025.

What condition is River RD 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 August 2024.

How much traffic does River RD over UPRR carry?

About 1,967 vehicles per day (2022 count), of which roughly 24% are trucks.

How long is River RD over UPRR?

The structure is 106 ft (32.2 m) long with a longest span of 103 ft (31.4 m) and a deck 83 ft wide.

Who owns River RD over UPRR?

It is owned by the State Highway Agency.