US Bridges

Sixes River Road over Sixes River

Fair

Curry County, Oregon · 5MI N & 14MI E of 97465 · Structure no. 061105000001052

Built
1958
67 years old
Condition
Fair
inspected June 2024
Type
Frame
Concrete Continuous
Length
180 ft
5 main spans
Daily traffic
90
Owner
Federal
U.S. Forest Service

About this bridge

Sixes River Road over Sixes River is a concrete continuous frame carrying Sixes River Road over Sixes River in Curry County, Oregon. It was built in 1958, so it is 67 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.

It carries about 90 vehicles a day, projected to reach 135 by 2045. The structure is 180 ft (54.9 m) long and 17 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

Location

Open in Google Maps
CarriesSixes River Road
CrossesSixes River
Location5MI N & 14MI E of 97465
RouteFederal Lands Road 52010
CountyCurry County
StateOregon
Coordinates42.80603, -124.23053
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating47.1 US tons
Inventory rating33.1 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadOther
Structure length180 ft (54.9 m)
Longest span70 ft (21.3 m)
Deck width17 ft (5.1 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (—)
Projected traffic135 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed620.7 mi (999 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sixes River Road over Sixes River built?

It was built in 1958, making it 67 years old in 2025.

What condition is Sixes River Road over Sixes River 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 2024.

How much traffic does Sixes River Road over Sixes River carry?

About 90 vehicles per day (latest count).

How long is Sixes River Road over Sixes River?

The structure is 180 ft (54.9 m) long with a longest span of 70 ft (21.3 m) and a deck 17 ft wide.

Who owns Sixes River Road over Sixes River?

It is owned by the U.S. Forest Service.