US Bridges

US101 (hwy 9) over Private Road

Fair

Clatsop County, Oregon · 080 MI S Astoria · Structure no. 01468 009 01282

Built
1930
95 years old
Condition
Fair
inspected October 2023
Type
Tee Beam
Concrete
Length
30 ft
1 main span
Daily traffic
16,193
2022 count
Owner
State
State Highway Agency

About this bridge

US101 (hwy 9) over Private Road is a concrete tee beam carrying US101 (hwy 9) over Private Road in Clatsop County, Oregon. It was built in 1930, so it is 95 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 16,193 vehicles a day, roughly 4% of them trucks, projected to reach 22,500 by 2042. The structure is 30 ft (9.1 m) long and 30 ft wide. If it were closed, the detour would be 39.8 mi (64 km).

Location

Open in Google Maps
CarriesUS101 (hwy 9)
CrossesPrivate Road
Location080 MI S Astoria
RouteU.S. Route 101
CountyClatsop County
StateOregon
Coordinates46.10947, -123.92189
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.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.7 US tons
Inventory rating22.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width30 ft (9.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,193 (2022)
Projected traffic22,500 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed39.8 mi (64 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 statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$154,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was US101 (hwy 9) over Private Road built?

It was built in 1930, making it 95 years old in 2025.

What condition is US101 (hwy 9) over Private Road 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 October 2023.

How much traffic does US101 (hwy 9) over Private Road carry?

About 16,193 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is US101 (hwy 9) over Private Road?

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

Who owns US101 (hwy 9) over Private Road?

It is owned by the State Highway Agency.