US Bridges

Pacific Ave over Nestucca River

Fair

Tillamook County, Oregon · Pacific City · Structure no. 11366A915 00288

Built
1973
52 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
428 ft
1 main span
Daily traffic
3,489
2020 count
Owner
County
County Highway Agency

About this bridge

Pacific Ave over Nestucca River is a prestressed concrete box beam or girders - multiple carrying Pacific Ave over Nestucca River in Tillamook County, Oregon. It was built in 1973, so it is 52 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 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 3,489 vehicles a day, roughly 5% of them trucks, projected to reach 4,055 by 2025. The structure is 428 ft (130.5 m) long and 41 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesPacific Ave
CrossesNestucca River
LocationPacific City
RouteCounty Highway A0720
CountyTillamook County
StateOregon
Coordinates45.20214, -123.96486
Functional classRural Major Collector

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating38.3 US tons
Inventory rating29.3 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1 (+7 approach)
Design loadHS 20
Structure length428 ft (130.5 m)
Longest span96 ft (29.3 m)
Deck width41 ft (12.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,489 (2020)
Projected traffic4,055 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Pacific Ave over Nestucca River built?

It was built in 1973, making it 52 years old in 2025.

What condition is Pacific Ave over Nestucca 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 June 2023.

How much traffic does Pacific Ave over Nestucca River carry?

About 3,489 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Pacific Ave over Nestucca River?

The structure is 428 ft (130.5 m) long with a longest span of 96 ft (29.3 m) and a deck 41 ft wide.

Who owns Pacific Ave over Nestucca River?

It is owned by the County Highway Agency.