US Bridges

Easton Canyon Road over Easton Canyon #4

Poor

Wasco County, Oregon · T1S R14E Section 33 · Structure no. 65C05 010 00834

Built
1940
85 years old
Condition
Poor
inspected August 2024
Type
Slab
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
54
2020 count
Owner
County
County Highway Agency

About this bridge

Easton Canyon Road over Easton Canyon #4 is a concrete continuous slab carrying Easton Canyon Road over Easton Canyon #4 in Wasco County, Oregon. It was built in 1940, so it is 85 years old, older than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 54 vehicles a day, roughly 5% of them trucks, projected to reach 61 by 2025. The structure is 25 ft (7.6 m) long and 30 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesEaston Canyon Road
CrossesEaston Canyon #4
LocationT1S R14E Section 33
RouteCounty Highway C0010
StateOregon
Coordinates45.4432, -121.0647
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.4 US tons
Inventory rating22.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length25 ft (7.6 m)
Longest span10 ft (3 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic54 (2020)
Projected traffic61 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Easton Canyon Road over Easton Canyon #4 built?

It was built in 1940, making it 85 years old in 2025.

What condition is Easton Canyon Road over Easton Canyon #4 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does Easton Canyon Road over Easton Canyon #4 carry?

About 54 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Easton Canyon Road over Easton Canyon #4?

The structure is 25 ft (7.6 m) long with a longest span of 10 ft (3 m) and a deck 30 ft wide.

Who owns Easton Canyon Road over Easton Canyon #4?

It is owned by the County Highway Agency.