US Bridges

US 20 (hwy 016) over Lake Creek

Fair

Jefferson County, Oregon · 13.3 MI NW of Sisters · Structure no. 19184 016 08707

Built
2005
20 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
92 ft
1 main span
Daily traffic
5,801
2022 count
Owner
State
State Highway Agency

About this bridge

US 20 (hwy 016) over Lake Creek is a prestressed concrete stringer/multi-beam or girder carrying US 20 (hwy 016) over Lake Creek in Jefferson County, Oregon. It was built in 2005, so it is 20 years old, younger 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.

It carries about 5,801 vehicles a day, roughly 9% of them trucks, projected to reach 7,900 by 2042. The structure is 92 ft (28 m) long and 42 ft wide. If it were closed, the detour would be 49.1 mi (79 km).

CarriesUS 20 (hwy 016)
CrossesLake Creek
Location13.3 MI NW of Sisters
RouteU.S. Route 20
StateOregon
Coordinates44.42827, -121.72568
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.8 US tons
Inventory rating60 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length92 ft (28 m)
Longest span92 ft (28 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,801 (2022)
Projected traffic7,900 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.1 mi (79 km)
TollOn a free road
National Highway SystemYes

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 US 20 (hwy 016) over Lake Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is US 20 (hwy 016) over Lake 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 May 2024.

How much traffic does US 20 (hwy 016) over Lake Creek carry?

About 5,801 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is US 20 (hwy 016) over Lake Creek?

The structure is 92 ft (28 m) long with a longest span of 92 ft (28 m) and a deck 42 ft wide.

Who owns US 20 (hwy 016) over Lake Creek?

It is owned by the State Highway Agency.