US Bridges

Yachats River Road over S Fork Yachats River

Fair

Lincoln County, Oregon · 070 MI E Cape Perpetua · Structure no. 12039A80402 882

Built
1957
68 years old
Condition
Fair
inspected September 2024
Type
Tee Beam
Concrete Continuous
Length
93 ft
3 main spans
Daily traffic
161
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 161 vehicles a day, roughly 10% of them trucks, projected to reach 218 by 2040. The structure is 93 ft (28.3 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
Location070 MI E Cape Perpetua
RouteCounty Highway 0
StateOregon
Coordinates44.28197, -123.96534
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46 US tons
Inventory rating30 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length93 ft (28.3 m)
Longest span36 ft (11 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic161 (2020)
Projected traffic218 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 161 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 93 ft (28.3 m) long with a longest span of 36 ft (11 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.