US Bridges

Walluski Lp Road over Wallooskee River

Fair

Clatsop County, Oregon · 015 MI NW of Olney · Structure no. 11160A060100299

Built
1988
37 years old
Condition
Fair
inspected March 2023
Type
Slab
Prestressed Concrete
Length
104 ft
3 main spans
Daily traffic
450
2020 count
Owner
County
County Highway Agency

About this bridge

Walluski Lp Road over Wallooskee River is a prestressed concrete slab carrying Walluski Lp Road over Wallooskee River in Clatsop County, Oregon. It was built in 1988, so it is 37 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 450 vehicles a day, roughly 10% of them trucks, projected to reach 525 by 2025. The structure is 104 ft (31.7 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesWalluski Lp Road
CrossesWallooskee River
Location015 MI NW of Olney
RouteCounty Highway A0738
CountyClatsop County
StateOregon
Coordinates46.1206, -123.7767
Functional classRural Major 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 25 or greater
Structure length104 ft (31.7 m)
Longest span34 ft (10.4 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2020)
Projected traffic525 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Walluski Lp Road over Wallooskee River built?

It was built in 1988, making it 37 years old in 2025.

What condition is Walluski Lp Road over Wallooskee 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 March 2023.

How much traffic does Walluski Lp Road over Wallooskee River carry?

About 450 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Walluski Lp Road over Wallooskee River?

The structure is 104 ft (31.7 m) long with a longest span of 34 ft (10.4 m) and a deck 28 ft wide.

Who owns Walluski Lp Road over Wallooskee River?

It is owned by the County Highway Agency.