US Bridges

US101 (hwy 9) over West Beaver Creek

FairPosted for load

Tillamook County, Oregon · 030 MI N Beaver · Structure no. 02202 009 07753

Built
1914
111 years old, rebuilt 1939
Condition
Fair
inspected March 2024
Type
Arch - Deck
Concrete
Length
65 ft
1 main span
Daily traffic
5,017
2022 count
Owner
State
State Highway Agency

About this bridge

US101 (hwy 9) over West Beaver Creek is a concrete arch - deck carrying US101 (hwy 9) over West Beaver Creek in Tillamook County, Oregon. It was built in 1914 and reconstructed in 1939, so it is 111 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 5,017 vehicles a day, roughly 24% of them trucks, projected to reach 5,100 by 2042. The structure is 65 ft (19.8 m) long and 35 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

Location

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CarriesUS101 (hwy 9)
CrossesWest Beaver Creek
Location030 MI N Beaver
RouteU.S. Route 101
CountyTillamook County
StateOregon
Coordinates45.31177, -123.83744
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 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.7 US tons
Inventory rating24.5 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length65 ft (19.8 m)
Longest span65 ft (19.8 m)
Deck width35 ft (10.8 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,017 (2022)
Projected traffic5,100 by 2042
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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 (hwy 9) over West Beaver Creek built?

It was built in 1914, making it 111 years old in 2025. It was reconstructed in 1939.

What condition is US101 (hwy 9) over West Beaver Creek 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 2024.

How much traffic does US101 (hwy 9) over West Beaver Creek carry?

About 5,017 vehicles per day (2022 count), of which roughly 24% are trucks.

How long is US101 (hwy 9) over West Beaver Creek?

The structure is 65 ft (19.8 m) long with a longest span of 65 ft (19.8 m) and a deck 35 ft wide.

Who owns US101 (hwy 9) over West Beaver Creek?

It is owned by the State Highway Agency.