US Bridges

US 30 (hwy 92) over John Day River

Fair

Clatsop County, Oregon · 026 MI E Astoria · Structure no. 01827B 02W 0925

Built
1990
35 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,105 ft
8 main spans
Daily traffic
11,627
2022 count
Owner
State
State Highway Agency

About this bridge

US 30 (hwy 92) over John Day River is a prestressed concrete stringer/multi-beam or girder carrying US 30 (hwy 92) over John Day River in Clatsop County, Oregon. It was built in 1990, so it is 35 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 5 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 1,105 ft (336.8 m) long and 43 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

Location

Open in Google Maps
CarriesUS 30 (hwy 92)
CrossesJohn Day River
Location026 MI E Astoria
RouteU.S. Route 30
CountyClatsop County
StateOregon
Coordinates46.16756, -123.75342
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
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 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 rating35.4 US tons
Inventory rating27.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans8
Design loadHS 25 or greater
Structure length1,105 ft (336.8 m)
Longest span140 ft (42.7 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 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
CrossesHighway and waterway
Detour if closed21.7 mi (35 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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was US 30 (hwy 92) over John Day River built?

It was built in 1990, making it 35 years old in 2025.

What condition is US 30 (hwy 92) over John Day River 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 John Day River carry?

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

How long is US 30 (hwy 92) over John Day River?

The structure is 1,105 ft (336.8 m) long with a longest span of 140 ft (42.7 m) and a deck 43 ft wide.

Who owns US 30 (hwy 92) over John Day River?

It is owned by the State Highway Agency.