US Bridges

Washington ST over A Canal

Fair

Klamath County, Oregon · 00.1 MI N of Ninth ST · Structure no. 16301 000 00014

Built
1978
47 years old
Condition
Fair
inspected February 2023
Type
Slab
Prestressed Concrete
Length
110 ft
3 main spans
Daily traffic
6,356
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Washington ST over A Canal is a prestressed concrete slab carrying Washington ST over A Canal in Klamath County, Oregon. It was built in 1978, so it is 47 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 6 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 6,356 vehicles a day, roughly 10% of them trucks, projected to reach 8,036 by 2025. The structure is 110 ft (33.5 m) long and 58 ft wide.

Location

Open in Google Maps
CarriesWashington ST
CrossesA Canal
Location00.1 MI N of Ninth ST
RouteCity Street 2301
CountyKlamath County
StateOregon
Coordinates42.22998, -121.78131
Functional classUrban 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating44 US tons
Inventory rating34 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length110 ft (33.5 m)
Longest span50 ft (15.2 m)
Deck width58 ft (17.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,356 (2020)
Projected traffic8,036 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Washington ST over A Canal built?

It was built in 1978, making it 47 years old in 2025.

What condition is Washington ST over A 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 Washington ST over A Canal carry?

About 6,356 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Washington ST over A Canal?

The structure is 110 ft (33.5 m) long with a longest span of 50 ft (15.2 m) and a deck 58 ft wide.

Who owns Washington ST over A Canal?

It is owned by the City or Municipal Highway Agency.