US Bridges

US 30 (hwy 92) over Marys Creek

Fair

Clatsop County, Oregon · 008 MI E Svenson JCT · Structure no. 09543 02W 08643

Built
1967
58 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
624 ft
6 main spans
Daily traffic
11,627
2022 count
Owner
State
State Highway Agency

About this bridge

US 30 (hwy 92) over Marys Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying US 30 (hwy 92) over Marys Creek in Clatsop County, Oregon. It was built in 1967, so it is 58 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 11,627 vehicles a day, roughly 18% of them trucks, projected to reach 13,500 by 2042. The structure is 624 ft (190.2 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesUS 30 (hwy 92)
CrossesMarys Creek
Location008 MI E Svenson JCT
RouteU.S. Route 30
CountyClatsop County
StateOregon
Coordinates46.16915, -123.67183
Functional classRural Principal Arterial - Other

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.2 US tons
Inventory rating25.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length624 ft (190.2 m)
Longest span105 ft (31.9 m)
Deck width38 ft (11.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,627 (2022)
Projected traffic13,500 by 2042
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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 US 30 (hwy 92) over Marys Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is US 30 (hwy 92) over Marys 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 March 2023.

How much traffic does US 30 (hwy 92) over Marys Creek carry?

About 11,627 vehicles per day (2022 count), of which roughly 18% are trucks.

How long is US 30 (hwy 92) over Marys Creek?

The structure is 624 ft (190.2 m) long with a longest span of 105 ft (31.9 m) and a deck 38 ft wide.

Who owns US 30 (hwy 92) over Marys Creek?

It is owned by the State Highway Agency.