US Bridges

Or 74 (hwy 052) over Willow Creek

Fair

Gilliam County, Oregon · 03.94 MI S JCT HWY No 2 · Structure no. 00906A052 00394

Built
1979
46 years old
Condition
Fair
inspected July 2024
Type
Slab
Prestressed Concrete
Length
163 ft
3 main spans
Daily traffic
193
2022 count
Owner
State
State Highway Agency

About this bridge

Or 74 (hwy 052) over Willow Creek is a prestressed concrete slab carrying Or 74 (hwy 052) over Willow Creek in Gilliam County, Oregon. It was built in 1979, so it is 46 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 193 vehicles a day, roughly 43% of them trucks, projected to reach 240 by 2042. The structure is 163 ft (49.7 m) long and 32 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

Location

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CarriesOr 74 (hwy 052)
CrossesWillow Creek
Location03.94 MI S JCT HWY No 2
RouteState Highway 74
CountyGilliam County
StateOregon
Coordinates45.7362, -120.0298
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure9 ExcellentNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating34 US tons
Inventory rating26.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length163 ft (49.7 m)
Longest span67 ft (20.4 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic193 (2022)
Projected traffic240 by 2042
Trucks43%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed12.4 mi (20 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 74 (hwy 052) over Willow Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is Or 74 (hwy 052) over Willow Creek 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 2024.

How much traffic does Or 74 (hwy 052) over Willow Creek carry?

About 193 vehicles per day (2022 count), of which roughly 43% are trucks.

How long is Or 74 (hwy 052) over Willow Creek?

The structure is 163 ft (49.7 m) long with a longest span of 67 ft (20.4 m) and a deck 32 ft wide.

Who owns Or 74 (hwy 052) over Willow Creek?

It is owned by the State Highway Agency.