US Bridges

US101(HWY009) over Rocky Point Viaduct

Fair

Curry County, Oregon · 02.7 MI S HWY 251 JCT · Structure no. 07780A009 30372

Built
1995
30 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
398 ft
3 main spans
Daily traffic
2,767
2022 count
Owner
State
State Highway Agency

About this bridge

US101(HWY009) over Rocky Point Viaduct is a prestressed concrete continuous stringer/multi-beam or girder carrying US101(HWY009) over Rocky Point Viaduct in Curry County, Oregon. It was built in 1995, so it is 30 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 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 2,767 vehicles a day, roughly 20% of them trucks, projected to reach 2,900 by 2042. The structure is 398 ft (121.3 m) long and 47 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesUS101(HWY009)
CrossesRocky Point Viaduct
Location02.7 MI S HWY 251 JCT
RouteU.S. Route 101
CountyCurry County
StateOregon
Coordinates42.7192, -124.46635
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating38.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 25 or greater
Structure length398 ft (121.3 m)
Longest span116 ft (35.4 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,767 (2022)
Projected traffic2,900 by 2042
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 US101(HWY009) over Rocky Point Viaduct built?

It was built in 1995, making it 30 years old in 2025.

What condition is US101(HWY009) over Rocky Point Viaduct 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 May 2023.

How much traffic does US101(HWY009) over Rocky Point Viaduct carry?

About 2,767 vehicles per day (2022 count), of which roughly 20% are trucks.

How long is US101(HWY009) over Rocky Point Viaduct?

The structure is 398 ft (121.3 m) long with a longest span of 116 ft (35.4 m) and a deck 47 ft wide.

Who owns US101(HWY009) over Rocky Point Viaduct?

It is owned by the State Highway Agency.