US Bridges

N Burgard ST over B-1 over Up/Sprr

PoorPosted for load

Multnomah County, Oregon · At Terminal No 4 · Structure no. 25B01 000 00136

Built
1930
95 years old, rebuilt 1988
Condition
Poor
inspected July 2024
Type
Slab
Concrete Continuous
Length
126 ft
6 main spans
Daily traffic
13,113
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

N Burgard ST over B-1 over Up/Sprr is a concrete continuous slab carrying N Burgard ST over B-1 over Up/Sprr in Multnomah County, Oregon. It was built in 1930 and reconstructed in 1988, so it is 95 years old, older than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for other load-capacity restriction.

It carries about 13,113 vehicles a day, roughly 22% of them trucks, projected to reach 18,271 by 2025. The structure is 126 ft (38.4 m) long and 49 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesN Burgard ST
CrossesB-1 over Up/Sprr
LocationAt Terminal No 4
RouteCity Street 9956
StateOregon
Coordinates45.60643, -122.76628
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusPosted for other load-capacity restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25 US tons
Inventory rating19.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length126 ft (38.4 m)
Longest span21 ft (6.4 m)
Deck width49 ft (14.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,113 (2020)
Projected traffic18,271 by 2025
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed3.1 mi (5 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 N Burgard ST over B-1 over Up/Sprr built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1988.

What condition is N Burgard ST over B-1 over Up/Sprr in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does N Burgard ST over B-1 over Up/Sprr carry?

About 13,113 vehicles per day (2020 count), of which roughly 22% are trucks.

How long is N Burgard ST over B-1 over Up/Sprr?

The structure is 126 ft (38.4 m) long with a longest span of 21 ft (6.4 m) and a deck 49 ft wide.

Who owns N Burgard ST over B-1 over Up/Sprr?

It is owned by the City or Municipal Highway Agency.