US Bridges

Trapp Creek Road over Yaquina River

Fair

Lincoln County, Oregon · 010 MI W Chitwood at HY20 · Structure no. 222195220100001

Built
2018
7 years old
Condition
Fair
inspected September 2024
Type
Slab
Prestressed Concrete
Length
150 ft
1 main span
Daily traffic
47
2020 count
Owner
County
County Highway Agency

About this bridge

Trapp Creek Road over Yaquina River is a prestressed concrete slab carrying Trapp Creek Road over Yaquina River in Lincoln County, Oregon. It was built in 2018, so it is 7 years old, younger 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 47 vehicles a day, projected to reach 84 by 2040. The structure is 150 ft (45.7 m) long and 20 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesTrapp Creek Road
CrossesYaquina River
Location010 MI W Chitwood at HY20
RouteCounty Highway 0
CountyLincoln County
StateOregon
Coordinates44.65752, -123.83874
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.
Superstructure7 GoodSome minor problems.
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
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHL 93
Structure length150 ft (45.7 m)
Longest span85 ft (25.9 m)
Deck width20 ft (6.1 m)
Roadway width17 ft (5.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47 (2020)
Projected traffic84 by 2040
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Trapp Creek Road over Yaquina River built?

It was built in 2018, making it 7 years old in 2025.

What condition is Trapp Creek 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 Trapp Creek Road over Yaquina River carry?

About 47 vehicles per day (2020 count).

How long is Trapp Creek Road over Yaquina River?

The structure is 150 ft (45.7 m) long with a longest span of 85 ft (25.9 m) and a deck 20 ft wide.

Who owns Trapp Creek Road over Yaquina River?

It is owned by the County Highway Agency.