US Bridges

W Langell Vly RD over Irrigation Canal

Fair

Klamath County, Oregon · 01 MI Se-St Barnabas Chr · Structure no. 18C12A052000985

Built
1978
47 years old
Condition
Fair
inspected February 2023
Type
Slab
Prestressed Concrete
Length
32 ft
1 main span
Daily traffic
180
2020 count
Owner
County
County Highway Agency

About this bridge

W Langell Vly RD over Irrigation Canal is a prestressed concrete slab carrying W Langell Vly RD over Irrigation 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 180 vehicles a day, roughly 10% of them trucks, projected to reach 195 by 2025. The structure is 32 ft (9.8 m) long and 32 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

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CarriesW Langell Vly RD
CrossesIrrigation Canal
Location01 MI Se-St Barnabas Chr
RouteCounty Highway 0B321
CountyKlamath County
StateOregon
Coordinates42.10415, -121.27621
Functional classRural Major 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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 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 rating33.2 US tons
Inventory rating25.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span30 ft (9.1 m)
Deck width32 ft (9.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic180 (2020)
Projected traffic195 by 2025
Trucks10%
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 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 W Langell Vly RD over Irrigation Canal built?

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

What condition is W Langell Vly RD 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 W Langell Vly RD over Irrigation Canal carry?

About 180 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is W Langell Vly RD over Irrigation Canal?

The structure is 32 ft (9.8 m) long with a longest span of 30 ft (9.1 m) and a deck 32 ft wide.

Who owns W Langell Vly RD over Irrigation Canal?

It is owned by the County Highway Agency.