US Bridges

Willamette Blvd over Burlington Northern R&r

FairPosted for load

Multnomah County, Oregon · N. Willamette over Burlin · Structure no. 51T102000000000

Built
1909
116 years old
Condition
Fair
inspected July 2024
Type
Truss - Deck
Steel
Length
340 ft
3 main spans
Daily traffic
10,361
2010 count
Owner
Railroad
Railroad

About this bridge

Willamette Blvd over Burlington Northern R&r is a steel truss - deck carrying Willamette Blvd over Burlington Northern R&r in Multnomah County, Oregon. It was built in 1909, so it is 116 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 other load-capacity restriction.

It carries about 10,361 vehicles a day, roughly 10% of them trucks, projected to reach 14,844 by 2030. The structure is 340 ft (103.6 m) long and 60 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesWillamette Blvd
CrossesBurlington Northern R&r
LocationN. Willamette over Burlin
RouteCity Street 9950
StateOregon
Coordinates45.58216, -122.74084
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating27.4 US tons
Inventory rating21.1 US tons

Structure

Structure typeTruss - Deck
MaterialSteel
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadH 15
Structure length340 ft (103.6 m)
Longest span91 ft (27.7 m)
Deck width60 ft (18.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,361 (2010)
Projected traffic14,844 by 2030
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerRailroad
Maintained byRailroad
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.9 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Willamette Blvd over Burlington Northern R&r built?

It was built in 1909, making it 116 years old in 2025.

What condition is Willamette Blvd over Burlington Northern R&r 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 July 2024.

How much traffic does Willamette Blvd over Burlington Northern R&r carry?

About 10,361 vehicles per day (2010 count), of which roughly 10% are trucks.

How long is Willamette Blvd over Burlington Northern R&r?

The structure is 340 ft (103.6 m) long with a longest span of 91 ft (27.7 m) and a deck 60 ft wide.

Who owns Willamette Blvd over Burlington Northern R&r?

It is owned by the Railroad.