US Bridges

HWY 40 Capitol HWY over B-139 X Barbur Blvd

Fair

Multnomah County, Oregon · Capitol HWY at Barbur Bvd · Structure no. 08551 040 00672

Built
1959
66 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
554 ft
1 main span
Daily traffic
11,908
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

HWY 40 Capitol HWY over B-139 X Barbur Blvd is a steel stringer/multi-beam or girder carrying HWY 40 Capitol HWY over B-139 X Barbur Blvd in Multnomah County, Oregon. It was built in 1959, so it is 66 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.

It carries about 11,908 vehicles a day, roughly 1% of them trucks, projected to reach 13,133 by 2025. The structure is 554 ft (168.9 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesHWY 40 Capitol HWY
CrossesB-139 X Barbur Blvd
LocationCapitol HWY at Barbur Bvd
RouteCity Street 10
CountyMultnomah County
StateOregon
Coordinates45.48042, -122.68017
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating39.7 US tons
Inventory rating30.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+10 approach)
Design loadHS 20
Structure length554 ft (168.9 m)
Longest span105 ft (32 m)
Deck width26 ft (7.9 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,908 (2020)
Projected traffic13,133 by 2025
Trucks1%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$2.4 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY 40 Capitol HWY over B-139 X Barbur Blvd built?

It was built in 1959, making it 66 years old in 2025.

What condition is HWY 40 Capitol HWY over B-139 X Barbur Blvd 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 HWY 40 Capitol HWY over B-139 X Barbur Blvd carry?

About 11,908 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is HWY 40 Capitol HWY over B-139 X Barbur Blvd?

The structure is 554 ft (168.9 m) long with a longest span of 105 ft (32 m) and a deck 26 ft wide.

Who owns HWY 40 Capitol HWY over B-139 X Barbur Blvd?

It is owned by the City or Municipal Highway Agency.