US Bridges

Or 74 (hwy 052) over Willow Creek

Fair

Morrow County, Oregon · Heppner · Structure no. 00777A052 04556

Built
1964
61 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete Continuous
Length
77 ft
2 main spans
Daily traffic
2,909
2022 count
Owner
State
State Highway Agency

About this bridge

Or 74 (hwy 052) over Willow Creek is a concrete continuous slab carrying Or 74 (hwy 052) over Willow Creek in Morrow County, Oregon. It was built in 1964, so it is 61 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 2,909 vehicles a day, roughly 18% of them trucks, projected to reach 3,100 by 2042. The structure is 77 ft (23.5 m) long and 44 ft wide. If it were closed, the detour would be 22.4 mi (36 km).

Location

Open in Google Maps
CarriesOr 74 (hwy 052)
CrossesWillow Creek
LocationHeppner
RouteState Highway 74
CountyMorrow County
StateOregon
Coordinates45.35825, -119.55345
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating57.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length77 ft (23.5 m)
Longest span38 ft (11.6 m)
Deck width44 ft (13.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,909 (2022)
Projected traffic3,100 by 2042
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed22.4 mi (36 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 74 (hwy 052) over Willow Creek built?

It was built in 1964, making it 61 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 February 2024.

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

About 2,909 vehicles per day (2022 count), of which roughly 18% are trucks.

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

The structure is 77 ft (23.5 m) long with a longest span of 38 ft (11.6 m) and a deck 44 ft wide.

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

It is owned by the State Highway Agency.