US Bridges

Clem Road over Yaquina River

Fair

Lincoln County, Oregon · 010 MI West of Nashville · Structure no. 41C13 54401 025

Built
1965
60 years old
Condition
Fair
inspected September 2024
Type
Slab
Prestressed Concrete
Length
76 ft
3 main spans
Daily traffic
65
2020 count
Owner
County
County Highway Agency

About this bridge

Clem Road over Yaquina River is a prestressed concrete slab carrying Clem Road over Yaquina River in Lincoln County, Oregon. It was built in 1965, so it is 60 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 65 vehicles a day, projected to reach 99 by 2040. The structure is 76 ft (23.2 m) long and 16 ft wide. If it were closed, the detour would be 28 mi (45 km).

CarriesClem Road
CrossesYaquina River
Location010 MI West of Nashville
RouteCounty Highway 0
StateOregon
Coordinates44.64782, -123.62639
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating34.3 US tons
Inventory rating26.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans3
Design loadHS 20
Structure length76 ft (23.2 m)
Longest span34 ft (10.4 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic65 (2020)
Projected traffic99 by 2040
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 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 Clem Road over Yaquina River built?

It was built in 1965, making it 60 years old in 2025.

What condition is Clem Road over Yaquina 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 Clem Road over Yaquina River carry?

About 65 vehicles per day (2020 count).

How long is Clem Road over Yaquina River?

The structure is 76 ft (23.2 m) long with a longest span of 34 ft (10.4 m) and a deck 16 ft wide.

Who owns Clem Road over Yaquina River?

It is owned by the County Highway Agency.