US Bridges

HWY 001 over Multnomah & Holladay ST

Fair

Multnomah County, Oregon · 0.5 MI N of Burnside Br · Structure no. 08583 001 30199

Built
1963
62 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
437 ft
7 main spans
Daily traffic
120,272
2022 count
Owner
State
State Highway Agency

About this bridge

HWY 001 over Multnomah & Holladay ST is a prestressed concrete stringer/multi-beam or girder carrying HWY 001 over Multnomah & Holladay ST in Multnomah County, Oregon. It was built in 1963, so it is 62 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 120,272 vehicles a day, roughly 8% of them trucks, projected to reach 129,400 by 2042. The structure is 437 ft (133.2 m) long and 109 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesHWY 001
CrossesMultnomah & Holladay ST
Location0.5 MI N of Burnside Br
RouteInterstate 5
CountyMultnomah County
StateOregon
Coordinates45.53041, -122.66526
Functional classUrban Principal Arterial - Interstate

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25.7 US tons
Inventory rating20 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length437 ft (133.2 m)
Longest span80 ft (24.4 m)
Deck width109 ft (33.3 m)
Roadway width102 ft (31.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120,272 (2022)
Projected traffic129,400 by 2042
Trucks8%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$7.9 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY 001 over Multnomah & Holladay ST built?

It was built in 1963, making it 62 years old in 2025.

What condition is HWY 001 over Multnomah & Holladay ST 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 February 2023.

How much traffic does HWY 001 over Multnomah & Holladay ST carry?

About 120,272 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is HWY 001 over Multnomah & Holladay ST?

The structure is 437 ft (133.2 m) long with a longest span of 80 ft (24.4 m) and a deck 109 ft wide.

Who owns HWY 001 over Multnomah & Holladay ST?

It is owned by the State Highway Agency.