US Bridges

Or 244 (hwy 341) over Grande Ronde R(hilgard)

Fair

Union County, Oregon · 00.5 MI SW JCT I84 · Structure no. 04841A341 04675

Built
1951
74 years old
Condition
Fair
inspected July 2023
Type
Tee Beam
Concrete Continuous
Length
133 ft
3 main spans
Daily traffic
514
2022 count
Owner
State
State Highway Agency

About this bridge

Or 244 (hwy 341) over Grande Ronde R(hilgard) is a concrete continuous tee beam carrying Or 244 (hwy 341) over Grande Ronde R(hilgard) in Union County, Oregon. It was built in 1951, so it is 74 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 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 514 vehicles a day, roughly 33% of them trucks, projected to reach 550 by 2042. The structure is 133 ft (40.5 m) long and 31 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesOr 244 (hwy 341)
CrossesGrande Ronde R(hilgard)
Location00.5 MI SW JCT I84
RouteState Highway 244
CountyUnion County
StateOregon
Coordinates45.34186, -118.23693
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 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 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 rating31.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length133 ft (40.5 m)
Longest span52 ft (15.8 m)
Deck width31 ft (9.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic514 (2022)
Projected traffic550 by 2042
Trucks33%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Or 244 (hwy 341) over Grande Ronde R(hilgard) built?

It was built in 1951, making it 74 years old in 2025.

What condition is Or 244 (hwy 341) over Grande Ronde R(hilgard) 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 July 2023.

How much traffic does Or 244 (hwy 341) over Grande Ronde R(hilgard) carry?

About 514 vehicles per day (2022 count), of which roughly 33% are trucks.

How long is Or 244 (hwy 341) over Grande Ronde R(hilgard)?

The structure is 133 ft (40.5 m) long with a longest span of 52 ft (15.8 m) and a deck 31 ft wide.

Who owns Or 244 (hwy 341) over Grande Ronde R(hilgard)?

It is owned by the State Highway Agency.