US Bridges

Sixes River Road over Otter Creek

Good

Curry County, Oregon · 5MI N & 14MI E of 97465 · Structure no. 061105000001030

Built
1977
48 years old, rebuilt 2015
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
60 ft
1 main span
Daily traffic
90
Owner
Federal
U.S. Forest Service

About this bridge

Sixes River Road over Otter Creek is a wood or timber stringer/multi-beam or girder carrying Sixes River Road over Otter Creek in Curry County, Oregon. It was built in 1977 and reconstructed in 2015, so it is 48 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 90 vehicles a day, projected to reach 135 by 2045. The structure is 60 ft (18.3 m) long and 16 ft wide.

CarriesSixes River Road
CrossesOtter Creek
Location5MI N & 14MI E of 97465
RouteFederal Lands Road 52010
StateOregon
Coordinates42.81472, -124.28378
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating50 US tons
Inventory rating38 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 20
Structure length60 ft (18.3 m)
Longest span59 ft (17.9 m)
Deck width16 ft (4.9 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 closed—
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 Otter Creek built?

It was built in 1977, making it 48 years old in 2025. It was reconstructed in 2015.

What condition is Sixes River Road over Otter Creek 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 June 2023.

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

About 90 vehicles per day (latest count).

How long is Sixes River Road over Otter Creek?

The structure is 60 ft (18.3 m) long with a longest span of 59 ft (17.9 m) and a deck 16 ft wide.

Who owns Sixes River Road over Otter Creek?

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