US Bridges

East Birch CR Road over East Birch Creek

Fair

Umatilla County, Oregon · 3.4 MI SE of HWY 395 · Structure no. 59C064137500340

Built
1958
67 years old
Condition
Fair
inspected July 2023
Type
Slab
Concrete
Length
25 ft
1 main span
Daily traffic
134
2020 count
Owner
County
County Highway Agency

About this bridge

East Birch CR Road over East Birch Creek is a concrete slab carrying East Birch CR Road over East Birch Creek in Umatilla County, Oregon. It was built in 1958, so it is 67 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.

It carries about 134 vehicles a day, roughly 5% of them trucks, projected to reach 164 by 2025. The structure is 25 ft (7.5 m) long and 31 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesEast Birch CR Road
CrossesEast Birch Creek
Location3.4 MI SE of HWY 395
RouteCounty Highway 0
StateOregon
Coordinates45.43169, -118.82123
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.1 US tons
Inventory rating28.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length25 ft (7.5 m)
Longest span24 ft (7.3 m)
Deck width31 ft (9.3 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic134 (2020)
Projected traffic164 by 2025
Trucks5%
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 East Birch CR Road over East Birch Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is East Birch CR Road over East 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 2023.

How much traffic does East Birch CR Road over East Birch Creek carry?

About 134 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is East Birch CR Road over East Birch Creek?

The structure is 25 ft (7.5 m) long with a longest span of 24 ft (7.3 m) and a deck 31 ft wide.

Who owns East Birch CR Road over East Birch Creek?

It is owned by the County Highway Agency.