US Bridges

Or 140 (hwy 431) over Canal

Fair

Lake County, Oregon · 032 MI E Adel · Structure no. 08849 431 03140

Built
1962
63 years old
Condition
Fair
inspected May 2024
Type
Channel Beam
Concrete
Length
60 ft
4 main spans
Daily traffic
308
2022 count
Owner
State
State Highway Agency

About this bridge

Or 140 (hwy 431) over Canal is a concrete channel beam carrying Or 140 (hwy 431) over Canal in Lake County, Oregon. It was built in 1962, so it is 63 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 308 vehicles a day, roughly 35% of them trucks, projected to reach 320 by 2042. The structure is 60 ft (18.3 m) long and 30 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesOr 140 (hwy 431)
CrossesCanal
Location032 MI E Adel
RouteState Highway 140
CountyLake County
StateOregon
Coordinates42.17447, -119.83727
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating42.1 US tons
Inventory rating32.5 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span15 ft (4.6 m)
Deck width30 ft (9.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic308 (2022)
Projected traffic320 by 2042
Trucks35%
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$400,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Or 140 (hwy 431) over Canal built?

It was built in 1962, making it 63 years old in 2025.

What condition is Or 140 (hwy 431) over 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 May 2024.

How much traffic does Or 140 (hwy 431) over Canal carry?

About 308 vehicles per day (2022 count), of which roughly 35% are trucks.

How long is Or 140 (hwy 431) over Canal?

The structure is 60 ft (18.3 m) long with a longest span of 15 ft (4.6 m) and a deck 30 ft wide.

Who owns Or 140 (hwy 431) over Canal?

It is owned by the State Highway Agency.