US Bridges

US101 (hwy 9) over Beaver Creek

FairPosted for load

Tillamook County, Oregon · 008 MI N Beaver · Structure no. 04654 009 07961

Built
1916
109 years old, rebuilt 1996
Condition
Fair
inspected March 2024
Type
Tee Beam
Concrete Continuous
Length
107 ft
3 main spans
Daily traffic
5,307
2022 count
Owner
State
State Highway Agency

About this bridge

US101 (hwy 9) over Beaver Creek is a concrete continuous tee beam carrying US101 (hwy 9) over Beaver Creek in Tillamook County, Oregon. It was built in 1916 and reconstructed in 1996, so it is 109 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. Its operating status is: posted for load restriction.

It carries about 5,307 vehicles a day, roughly 16% of them trucks, projected to reach 5,400 by 2042. The structure is 107 ft (32.6 m) long and 31 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

CarriesUS101 (hwy 9)
CrossesBeaver Creek
Location008 MI N Beaver
RouteU.S. Route 101
StateOregon
Coordinates45.28637, -123.82271
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.2 US tons
Inventory rating24.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length107 ft (32.6 m)
Longest span45 ft (13.7 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,307 (2022)
Projected traffic5,400 by 2042
Trucks16%
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 Beaver Creek built?

It was built in 1916, making it 109 years old in 2025. It was reconstructed in 1996.

What condition is US101 (hwy 9) over 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 Beaver Creek carry?

About 5,307 vehicles per day (2022 count), of which roughly 16% are trucks.

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

The structure is 107 ft (32.6 m) long with a longest span of 45 ft (13.7 m) and a deck 31 ft wide.

Who owns US101 (hwy 9) over Beaver Creek?

It is owned by the State Highway Agency.