US Bridges

Yachats River Road over S Fork Yachats River

Fair

Lincoln County, Oregon · 072 MI E Cape Perpetua · Structure no. 12040A80403 914

Built
1957
68 years old
Condition
Fair
inspected September 2024
Type
Tee Beam
Concrete Continuous
Length
81 ft
3 main spans
Daily traffic
104
2020 count
Owner
County
County Highway Agency

About this bridge

Yachats River Road over S Fork Yachats River is a concrete continuous tee beam carrying Yachats River Road over S Fork Yachats River in Lincoln County, Oregon. It was built in 1957, so it is 68 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 104 vehicles a day, roughly 10% of them trucks, projected to reach 148 by 2040. The structure is 81 ft (24.7 m) long and 29 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

CarriesYachats River Road
CrossesS Fork Yachats River
Location072 MI E Cape Perpetua
RouteCounty Highway 0
StateOregon
Coordinates44.2833, -123.95969
Functional classRural Minor Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating23.3 US tons
Inventory rating17.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length81 ft (24.7 m)
Longest span52 ft (15.9 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic104 (2020)
Projected traffic148 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Yachats River Road over S Fork Yachats River built?

It was built in 1957, making it 68 years old in 2025.

What condition is Yachats River Road over S Fork Yachats 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 September 2024.

How much traffic does Yachats River Road over S Fork Yachats River carry?

About 104 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Yachats River Road over S Fork Yachats River?

The structure is 81 ft (24.7 m) long with a longest span of 52 ft (15.9 m) and a deck 29 ft wide.

Who owns Yachats River Road over S Fork Yachats River?

It is owned by the County Highway Agency.