US Bridges

US101 (hwy 9) over Drift Creek

Fair

Lincoln County, Oregon · 005 MI S Lincoln City · Structure no. 00925A009 11927

Built
1945
80 years old
Condition
Fair
inspected June 2023
Type
Tee Beam
Concrete Continuous
Length
210 ft
5 main spans
Daily traffic
13,759
2022 count
Owner
State
State Highway Agency

About this bridge

US101 (hwy 9) over Drift Creek is a concrete continuous tee beam carrying US101 (hwy 9) over Drift Creek in Lincoln County, Oregon. It was built in 1945, so it is 80 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 13,759 vehicles a day, roughly 7% of them trucks, projected to reach 13,900 by 2042. The structure is 210 ft (64 m) long and 35 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesUS101 (hwy 9)
CrossesDrift Creek
Location005 MI S Lincoln City
RouteU.S. Route 101
CountyLincoln County
StateOregon
Coordinates44.9124, -124.00505
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be 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 rating23.9 US tons
Inventory rating18.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 15
Structure length210 ft (64 m)
Longest span70 ft (21.3 m)
Deck width35 ft (10.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,759 (2022)
Projected traffic13,900 by 2042
Trucks7%
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was US101 (hwy 9) over Drift Creek built?

It was built in 1945, making it 80 years old in 2025.

What condition is US101 (hwy 9) over Drift 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 June 2023.

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

About 13,759 vehicles per day (2022 count), of which roughly 7% are trucks.

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

The structure is 210 ft (64 m) long with a longest span of 70 ft (21.3 m) and a deck 35 ft wide.

Who owns US101 (hwy 9) over Drift Creek?

It is owned by the State Highway Agency.