US Bridges

Or 203 (hwy 340) over Catherine Cr(state Yard)

Fair

Union County, Oregon · 0.6 MI E JCT Ore 237 · Structure no. 04834A340 00063

Built
1966
59 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete Continuous
Length
83 ft
3 main spans
Daily traffic
514
2022 count
Owner
State
State Highway Agency

About this bridge

Or 203 (hwy 340) over Catherine Cr(state Yard) is a concrete continuous slab carrying Or 203 (hwy 340) over Catherine Cr(state Yard) in Union County, Oregon. It was built in 1966, so it is 59 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 514 vehicles a day, roughly 21% of them trucks, projected to reach 520 by 2042. The structure is 83 ft (25.3 m) long and 41 ft wide. If it were closed, the detour would be 4.3 mi (7 km).

CarriesOr 203 (hwy 340)
CrossesCatherine Cr(state Yard)
Location0.6 MI E JCT Ore 237
RouteState Highway 203
StateOregon
Coordinates45.20907, -117.85385
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44.3 US tons
Inventory rating34.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length83 ft (25.3 m)
Longest span32 ft (9.8 m)
Deck width41 ft (12.4 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic514 (2022)
Projected traffic520 by 2042
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed4.3 mi (7 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Or 203 (hwy 340) over Catherine Cr(state Yard) built?

It was built in 1966, making it 59 years old in 2025.

What condition is Or 203 (hwy 340) over Catherine Cr(state Yard) 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 September 2023.

How much traffic does Or 203 (hwy 340) over Catherine Cr(state Yard) carry?

About 514 vehicles per day (2022 count), of which roughly 21% are trucks.

How long is Or 203 (hwy 340) over Catherine Cr(state Yard)?

The structure is 83 ft (25.3 m) long with a longest span of 32 ft (9.8 m) and a deck 41 ft wide.

Who owns Or 203 (hwy 340) over Catherine Cr(state Yard)?

It is owned by the State Highway Agency.