US Bridges

Agness Road over Quosatana Creek

Fair

Curry County, Oregon · 13 MI East HWY 101 @97444 · Structure no. 061103000001145

Built
1961
64 years old
Condition
Fair
inspected August 2024
Type
Frame
Concrete Continuous
Length
190 ft
3 main spans
Daily traffic
212
1995 count
Owner
Federal
U.S. Forest Service

About this bridge

Agness Road over Quosatana Creek is a concrete continuous frame carrying Agness Road over Quosatana Creek in Curry County, Oregon. It was built in 1961, so it is 64 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 212 vehicles a day, roughly 15% of them trucks, projected to reach 318 by 2045. The structure is 190 ft (57.9 m) long and 29 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

Location

Open in Google Maps
CarriesAgness Road
CrossesQuosatana Creek
Location13 MI East HWY 101 @97444
RouteFederal Lands Road 33000
CountyCurry County
StateOregon
Coordinates42.48978, -124.23369
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 protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating42 US tons
Inventory rating29 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length190 ft (57.9 m)
Longest span76 ft (23.2 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic212 (1995)
Projected traffic318 by 2045
Trucks15%
Lanes on structure2
Traffic directionTwo-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 Agness Road over Quosatana Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is Agness Road over Quosatana 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 August 2024.

How much traffic does Agness Road over Quosatana Creek carry?

About 212 vehicles per day (1995 count), of which roughly 15% are trucks.

How long is Agness Road over Quosatana Creek?

The structure is 190 ft (57.9 m) long with a longest span of 76 ft (23.2 m) and a deck 29 ft wide.

Who owns Agness Road over Quosatana Creek?

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