US Bridges

Birch Creek Road over Umatilla River

FairPosted for load

Umatilla County, Oregon · 0.4 MI S of Rieth Road · Structure no. 59C069130100041

Built
1953
72 years old
Condition
Fair
inspected July 2024
Type
Girder and Floorbeam System
Steel
Length
245 ft
1 main span
Daily traffic
281
2020 count
Owner
County
County Highway Agency

About this bridge

Birch Creek Road over Umatilla River is a steel girder and floorbeam system carrying Birch Creek Road over Umatilla River in Umatilla County, Oregon. It was built in 1953, so it is 72 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 281 vehicles a day, roughly 25% of them trucks, projected to reach 326 by 2025. The structure is 245 ft (74.7 m) long and 20 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesBirch Creek Road
CrossesUmatilla River
Location0.4 MI S of Rieth Road
RouteCounty Highway 0
StateOregon
Coordinates45.65751, -118.87667
Functional classRural Local

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating7.5 US tons
Inventory rating5.7 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1 (+3 approach)
Design loadHS 20
Structure length245 ft (74.7 m)
Longest span100 ft (30.5 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic281 (2020)
Projected traffic326 by 2025
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.4 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Birch Creek Road over Umatilla River built?

It was built in 1953, making it 72 years old in 2025.

What condition is Birch Creek Road over Umatilla 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 Birch Creek Road over Umatilla River carry?

About 281 vehicles per day (2020 count), of which roughly 25% are trucks.

How long is Birch Creek Road over Umatilla River?

The structure is 245 ft (74.7 m) long with a longest span of 100 ft (30.5 m) and a deck 20 ft wide.

Who owns Birch Creek Road over Umatilla River?

It is owned by the County Highway Agency.