US Bridges

Yellow Jacket Road over West Birch Creek

FairPosted for load

Umatilla County, Oregon · 3.6 MI S of HWY 395 · Structure no. 59C065140500361

Built
1965
60 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
35 ft
1 main span
Daily traffic
146
2020 count
Owner
County
County Highway Agency

About this bridge

Yellow Jacket Road over West Birch Creek is a steel stringer/multi-beam or girder carrying Yellow Jacket Road over West Birch Creek in Umatilla County, Oregon. It was built in 1965, so it is 60 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 146 vehicles a day, roughly 15% of them trucks, projected to reach 170 by 2025. The structure is 35 ft (10.7 m) long and 20 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesYellow Jacket Road
CrossesWest Birch Creek
Location3.6 MI S of HWY 395
RouteCounty Highway 0
StateOregon
Coordinates45.42352, -118.88926
Functional classRural Minor 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating19 US tons
Inventory rating14.7 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadH 10
Structure length35 ft (10.7 m)
Longest span34 ft (10.4 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic146 (2020)
Projected traffic170 by 2025
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Yellow Jacket Road over West Birch Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Yellow Jacket Road over West Birch Creek 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 Yellow Jacket Road over West Birch Creek carry?

About 146 vehicles per day (2020 count), of which roughly 15% are trucks.

How long is Yellow Jacket Road over West Birch Creek?

The structure is 35 ft (10.7 m) long with a longest span of 34 ft (10.4 m) and a deck 20 ft wide.

Who owns Yellow Jacket Road over West Birch Creek?

It is owned by the County Highway Agency.