US Bridges

Eastside Road over Walla Walla River

FairPosted for load

Umatilla County, Oregon · 0.2 MI E of HWY 11 · Structure no. 59C455057500002

Built
1938
87 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
225 ft
3 main spans
Daily traffic
856
2020 count
Owner
County
County Highway Agency

About this bridge

Eastside Road over Walla Walla River is a steel continuous stringer/multi-beam or girder carrying Eastside Road over Walla Walla River in Umatilla County, Oregon. It was built in 1938, so it is 87 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 856 vehicles a day, roughly 15% of them trucks, projected to reach 1,041 by 2025. The structure is 225 ft (68.6 m) long and 24 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesEastside Road
CrossesWalla Walla River
Location0.2 MI E of HWY 11
RouteCounty Highway 0
CountyUmatilla County
StateOregon
Coordinates45.94503, -118.38449
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating7.5 US tons
Inventory rating5.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadH 15
Structure length225 ft (68.6 m)
Longest span60 ft (18.3 m)
Deck width24 ft (7.2 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic856 (2020)
Projected traffic1,041 by 2025
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1.2 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Eastside Road over Walla Walla River built?

It was built in 1938, making it 87 years old in 2025.

What condition is Eastside Road over Walla Walla 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 July 2024.

How much traffic does Eastside Road over Walla Walla River carry?

About 856 vehicles per day (2020 count), of which roughly 15% are trucks.

How long is Eastside Road over Walla Walla River?

The structure is 225 ft (68.6 m) long with a longest span of 60 ft (18.3 m) and a deck 24 ft wide.

Who owns Eastside Road over Walla Walla River?

It is owned by the County Highway Agency.