US Bridges

Sunset Beach RD over Neacoxie Lake

Fair

Clatsop County, Oregon · 005 MI W HWY 101 JCT · Structure no. 11230A100400046

Built
1963
62 years old
Condition
Fair
inspected April 2024
Type
Slab
Prestressed Concrete
Length
306 ft
9 main spans
Daily traffic
1,967
2020 count
Owner
County
County Highway Agency

About this bridge

Sunset Beach RD over Neacoxie Lake is a prestressed concrete slab carrying Sunset Beach RD over Neacoxie Lake in Clatsop County, Oregon. It was built in 1963, so it is 62 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 1,967 vehicles a day, roughly 10% of them trucks, projected to reach 2,052 by 2025. The structure is 306 ft (93.3 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesSunset Beach RD
CrossesNeacoxie Lake
Location005 MI W HWY 101 JCT
RouteCounty Highway C1004
CountyClatsop County
StateOregon
Coordinates46.10058, -123.92848
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.6 US tons
Inventory rating30 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans9
Design loadHS 20
Structure length306 ft (93.3 m)
Longest span34 ft (10.4 m)
Deck width32 ft (9.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,967 (2020)
Projected traffic2,052 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.2 mi (10 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 Sunset Beach RD over Neacoxie Lake built?

It was built in 1963, making it 62 years old in 2025.

What condition is Sunset Beach RD over Neacoxie Lake 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 April 2024.

How much traffic does Sunset Beach RD over Neacoxie Lake carry?

About 1,967 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Sunset Beach RD over Neacoxie Lake?

The structure is 306 ft (93.3 m) long with a longest span of 34 ft (10.4 m) and a deck 32 ft wide.

Who owns Sunset Beach RD over Neacoxie Lake?

It is owned by the County Highway Agency.