US Bridges

Walla Walla Rv RD over Walla Walla River

Good

Umatilla County, Oregon · 3.0 MI SE of HWY 11 · Structure no. 59C433052500304

Built
1970
55 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
112 ft
1 main span
Daily traffic
568
2020 count
Owner
County
County Highway Agency

About this bridge

Walla Walla Rv RD over Walla Walla River is a prestressed concrete stringer/multi-beam or girder carrying Walla Walla Rv RD over Walla Walla River in Umatilla County, Oregon. It was built in 1970, so it is 55 years old, older 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 568 vehicles a day, roughly 20% of them trucks, projected to reach 608 by 2025. The structure is 112 ft (34.1 m) long and 35 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesWalla Walla Rv RD
CrossesWalla Walla River
Location3.0 MI SE of HWY 11
RouteCounty Highway 0
StateOregon
Coordinates45.9008, -118.33425
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating71 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length112 ft (34.1 m)
Longest span108 ft (32.9 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic568 (2020)
Projected traffic608 by 2025
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Walla Walla Rv RD over Walla Walla River built?

It was built in 1970, making it 55 years old in 2025.

What condition is Walla Walla Rv RD over Walla Walla River 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 July 2023.

How much traffic does Walla Walla Rv RD over Walla Walla River carry?

About 568 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is Walla Walla Rv RD over Walla Walla River?

The structure is 112 ft (34.1 m) long with a longest span of 108 ft (32.9 m) and a deck 35 ft wide.

Who owns Walla Walla Rv RD over Walla Walla River?

It is owned by the County Highway Agency.