US Bridges

Powder Creek Road over Nestucca River

FairPosted for load

Tillamook County, Oregon · 3.0 MI Southeast Blaine · Structure no. 57C47 866 00005

Built
1963
62 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
102 ft
1 main span
Daily traffic
17
2020 count
Owner
County
County Highway Agency

About this bridge

Powder Creek Road over Nestucca River is a wood or timber stringer/multi-beam or girder carrying Powder Creek Road over Nestucca River in Tillamook County, Oregon. It was built in 1963, so it is 62 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. Its operating status is: posted for load restriction.

It carries about 17 vehicles a day, projected to reach 22 by 2025. The structure is 102 ft (31.1 m) long and 12 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesPowder Creek Road
CrossesNestucca River
Location3.0 MI Southeast Blaine
RouteCounty Highway C0866
CountyTillamook County
StateOregon
Coordinates45.25314, -123.65931
Functional classRural Local

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 protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating21.4 US tons
Inventory rating16.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 20
Structure length102 ft (31.1 m)
Longest span97 ft (29.6 m)
Deck width12 ft (3.7 m)
Roadway width10 ft (3.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17 (2020)
Projected traffic22 by 2025
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$523,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Powder Creek Road over Nestucca River built?

It was built in 1963, making it 62 years old in 2025.

What condition is Powder Creek Road 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 Powder Creek Road over Nestucca River carry?

About 17 vehicles per day (2020 count).

How long is Powder Creek Road over Nestucca River?

The structure is 102 ft (31.1 m) long with a longest span of 97 ft (29.6 m) and a deck 12 ft wide.

Who owns Powder Creek Road over Nestucca River?

It is owned by the County Highway Agency.