US Bridges

NW Maywood DR over B-17 Above W Burnside

GoodPosted for load

Multnomah County, Oregon · Nr W Burnside · Structure no. 25B17 000

Built
1934
91 years old
Condition
Good
inspected September 2024
Type
Frame
Concrete Continuous
Length
62 ft
5 main spans
Daily traffic
777
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

NW Maywood DR over B-17 Above W Burnside is a concrete continuous frame carrying NW Maywood DR over B-17 Above W Burnside in Multnomah County, Oregon. It was built in 1934, so it is 91 years old, older than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 777 vehicles a day, roughly 1% of them trucks, projected to reach 857 by 2025. The structure is 62 ft (18.9 m) long and 12 ft wide.

CarriesNW Maywood DR
CrossesB-17 Above W Burnside
LocationNr W Burnside
RouteCity Street C0000
StateOregon
Coordinates45.52417, -122.70688
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating15.3 US tons
Inventory rating11.8 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length62 ft (18.9 m)
Longest span12 ft (3.7 m)
Deck width12 ft (3.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic777 (2020)
Projected traffic857 by 2025
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was NW Maywood DR over B-17 Above W Burnside built?

It was built in 1934, making it 91 years old in 2025.

What condition is NW Maywood DR over B-17 Above W Burnside in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does NW Maywood DR over B-17 Above W Burnside carry?

About 777 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is NW Maywood DR over B-17 Above W Burnside?

The structure is 62 ft (18.9 m) long with a longest span of 12 ft (3.7 m) and a deck 12 ft wide.

Who owns NW Maywood DR over B-17 Above W Burnside?

It is owned by the City or Municipal Highway Agency.