US Bridges

SW Vista Ave over B-36 over SW Jefferson

FairPosted for load

Multnomah County, Oregon · 5 Blks S of W Burnside ST · Structure no. 25B36 000 00119

Built
1926
99 years old
Condition
Fair
inspected September 2024
Type
Arch - Deck
Concrete
Length
549 ft
1 main span
Daily traffic
10,700
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

SW Vista Ave over B-36 over SW Jefferson is a concrete arch - deck carrying SW Vista Ave over B-36 over SW Jefferson in Multnomah County, Oregon. It was built in 1926, so it is 99 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 5 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 10,700 vehicles a day, roughly 2% of them trucks, projected to reach 11,770 by 2025. The structure is 549 ft (167.3 m) long and 52 ft wide.

Location

Open in Google Maps
CarriesSW Vista Ave
CrossesB-36 over SW Jefferson
Location5 Blks S of W Burnside ST
RouteCity Street 9317
CountyMultnomah County
StateOregon
Coordinates45.51911, -122.69769
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating4.6 US tons
Inventory rating3.5 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1 (+7 approach)
Design loadH 15
Structure length549 ft (167.3 m)
Longest span248 ft (75.6 m)
Deck width52 ft (15.9 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,700 (2020)
Projected traffic11,770 by 2025
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$5.2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was SW Vista Ave over B-36 over SW Jefferson built?

It was built in 1926, making it 99 years old in 2025.

What condition is SW Vista Ave over B-36 over SW Jefferson 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 Vista Ave over B-36 over SW Jefferson carry?

About 10,700 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is SW Vista Ave over B-36 over SW Jefferson?

The structure is 549 ft (167.3 m) long with a longest span of 248 ft (75.6 m) and a deck 52 ft wide.

Who owns SW Vista Ave over B-36 over SW Jefferson?

It is owned by the City or Municipal Highway Agency.