US Bridges

Washburn Way over Irrigation Canal

Fair

Klamath County, Oregon · 0003 MI N of Old Mid RD · Structure no. 35C342087500003

Built
1981
44 years old
Condition
Fair
inspected February 2023
Type
Slab
Prestressed Concrete
Length
41 ft
1 main span
Daily traffic
137
2020 count
Owner
County
County Highway Agency

About this bridge

Washburn Way over Irrigation Canal is a prestressed concrete slab carrying Washburn Way over Irrigation Canal in Klamath County, Oregon. It was built in 1981, so it is 44 years old, younger 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 137 vehicles a day, roughly 10% of them trucks, projected to reach 142 by 2025. The structure is 41 ft (12.5 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesWashburn Way
CrossesIrrigation Canal
Location0003 MI N of Old Mid RD
RouteCounty Highway C0875
CountyKlamath County
StateOregon
Coordinates42.12674, -121.75826
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.7 US tons
Inventory rating30.8 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length41 ft (12.5 m)
Longest span40 ft (12.2 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic137 (2020)
Projected traffic142 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Washburn Way over Irrigation Canal built?

It was built in 1981, making it 44 years old in 2025.

What condition is Washburn Way over Irrigation Canal 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 February 2023.

How much traffic does Washburn Way over Irrigation Canal carry?

About 137 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Washburn Way over Irrigation Canal?

The structure is 41 ft (12.5 m) long with a longest span of 40 ft (12.2 m) and a deck 32 ft wide.

Who owns Washburn Way over Irrigation Canal?

It is owned by the County Highway Agency.