US Bridges

Or 74 (hwy 052) over Hinton Creek

Fair

Morrow County, Oregon · Heppner · Structure no. 00776A052 04547

Built
1921
104 years old, rebuilt 1964
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
30 ft
1 main span
Daily traffic
2,909
2022 count
Owner
State
State Highway Agency

About this bridge

Or 74 (hwy 052) over Hinton Creek is a concrete stringer/multi-beam or girder carrying Or 74 (hwy 052) over Hinton Creek in Morrow County, Oregon. It was built in 1921 and reconstructed in 1964, so it is 104 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 30 ft (9.1 m) long and 44 ft wide.

CarriesOr 74 (hwy 052)
CrossesHinton Creek
LocationHeppner
RouteState Highway 74
StateOregon
Coordinates45.35936, -119.55423
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 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 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 rating28.2 US tons
Inventory rating21.8 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width44 ft (13.4 m)
Roadway width32 ft (9.9 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 closed—
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 Hinton Creek built?

It was built in 1921, making it 104 years old in 2025. It was reconstructed in 1964.

What condition is Or 74 (hwy 052) over Hinton 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 Hinton Creek carry?

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

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

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 44 ft wide.

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

It is owned by the State Highway Agency.