US Bridges

US 20 (hwy 017) over Deschutes River

Good

Deschutes County, Oregon · 151 MI SE Sisters · Structure no. 17251 017 01509

Built
1993
32 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
165 ft
3 main spans
Daily traffic
16,149
2022 count
Owner
State
State Highway Agency

About this bridge

US 20 (hwy 017) over Deschutes River is a prestressed concrete stringer/multi-beam or girder carrying US 20 (hwy 017) over Deschutes River in Deschutes County, Oregon. It was built in 1993, so it is 32 years old, younger than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 16,149 vehicles a day, roughly 17% of them trucks, projected to reach 23,200 by 2042. The structure is 165 ft (50.3 m) long and 55 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS 20 (hwy 017)
CrossesDeschutes River
Location151 MI SE Sisters
RouteU.S. Route 17
StateOregon
Coordinates44.14069, -121.32776
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating21.8 US tons
Inventory rating16.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length165 ft (50.3 m)
Longest span65 ft (19.8 m)
Deck width55 ft (16.7 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic16,149 (2022)
Projected traffic23,200 by 2042
Trucks17%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$845,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US 20 (hwy 017) over Deschutes River built?

It was built in 1993, making it 32 years old in 2025.

What condition is US 20 (hwy 017) over Deschutes River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does US 20 (hwy 017) over Deschutes River carry?

About 16,149 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is US 20 (hwy 017) over Deschutes River?

The structure is 165 ft (50.3 m) long with a longest span of 65 ft (19.8 m) and a deck 55 ft wide.

Who owns US 20 (hwy 017) over Deschutes River?

It is owned by the State Highway Agency.