US Bridges

SW Oystercatcher over Unnamed Channel

Fair

Washington County, Oregon · MP 0.27 · Structure no. 24369 000 00004

Built
2024
1 years old
Condition
Fair
inspected August 2024
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
24 ft
1 main span
Daily traffic
1,000
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

SW Oystercatcher over Unnamed Channel is a aluminum, wrought iron, or cast iron culvert carrying SW Oystercatcher over Unnamed Channel in Washington County, Oregon. It was built in 2024, so it is 1 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 1,000 vehicles a day, projected to reach 1,050 by 2034. The structure is 24 ft (7.4 m) long. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesSW Oystercatcher
CrossesUnnamed Channel
LocationMP 0.27
RouteCity Street C0000
CountyWashington County
StateOregon
Coordinates45.42939, -122.84725
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.3 US tons
Inventory rating29.3 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadHL 93
Structure length24 ft (7.4 m)
Longest span24 ft (7.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2024)
Projected traffic1,050 by 2034
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

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 SW Oystercatcher over Unnamed Channel built?

It was built in 2024, making it 1 years old in 2025.

What condition is SW Oystercatcher over Unnamed Channel 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 August 2024.

How much traffic does SW Oystercatcher over Unnamed Channel carry?

About 1,000 vehicles per day (2024 count).

How long is SW Oystercatcher over Unnamed Channel?

The structure is 24 ft (7.4 m) long with a longest span of 24 ft (7.4 m).

Who owns SW Oystercatcher over Unnamed Channel?

It is owned by the City or Municipal Highway Agency.