US Bridges

SW Canyon RD over Gully

FairPosted for load

Multnomah County, Oregon · 3 Blks W of Vista · Structure no. 25B38 000 00056

Built
1927
98 years old
Condition
Fair
inspected September 2024
Type
Tee Beam
Concrete
Length
55 ft
1 main span
Daily traffic
14,607
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

SW Canyon RD over Gully is a concrete tee beam carrying SW Canyon RD over Gully in Multnomah County, Oregon. It was built in 1927, so it is 98 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. Its operating status is: posted for load restriction.

It carries about 14,607 vehicles a day, roughly 10% of them trucks, projected to reach 15,357 by 2025. The structure is 55 ft (16.8 m) long and 58 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSW Canyon RD
CrossesGully
Location3 Blks W of Vista
RouteCity Street 9368
StateOregon
Coordinates45.51857, -122.70036
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating23.9 US tons
Inventory rating18.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length55 ft (16.8 m)
Longest span51 ft (15.5 m)
Deck width58 ft (17.7 m)
Roadway width48 ft (14.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,607 (2020)
Projected traffic15,357 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesOther
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SW Canyon RD over Gully built?

It was built in 1927, making it 98 years old in 2025.

What condition is SW Canyon RD over Gully 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 SW Canyon RD over Gully carry?

About 14,607 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is SW Canyon RD over Gully?

The structure is 55 ft (16.8 m) long with a longest span of 51 ft (15.5 m) and a deck 58 ft wide.

Who owns SW Canyon RD over Gully?

It is owned by the City or Municipal Highway Agency.