US Bridges

J P West Road over S Fk Scappoose CR

Fair

Columbia County, Oregon · 010 MI N Scappoose · Structure no. 22037 108100025

Built
2014
11 years old
Condition
Fair
inspected May 2023
Type
Slab
Prestressed Concrete
Length
71 ft
1 main span
Daily traffic
566
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

J P West Road over S Fk Scappoose CR is a prestressed concrete slab carrying J P West Road over S Fk Scappoose CR in Columbia County, Oregon. It was built in 2014, so it is 11 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 566 vehicles a day, roughly 10% of them trucks, projected to reach 596 by 2025. The structure is 71 ft (21.6 m) long and 46 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesJ P West Road
CrossesS Fk Scappoose CR
Location010 MI N Scappoose
RouteCounty Highway C1081
StateOregon
Coordinates45.75674, -122.88302
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.9 US tons
Inventory rating76.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length71 ft (21.6 m)
Longest span71 ft (21.6 m)
Deck width46 ft (14.1 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic566 (2020)
Projected traffic596 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 J P West Road over S Fk Scappoose CR built?

It was built in 2014, making it 11 years old in 2025.

What condition is J P West Road over S Fk Scappoose CR 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 May 2023.

How much traffic does J P West Road over S Fk Scappoose CR carry?

About 566 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is J P West Road over S Fk Scappoose CR?

The structure is 71 ft (21.6 m) long with a longest span of 71 ft (21.6 m) and a deck 46 ft wide.

Who owns J P West Road over S Fk Scappoose CR?

It is owned by the City or Municipal Highway Agency.