US Bridges

Spring Garden RD over I-5 (hwy 001)

Fair

Multnomah County, Oregon · 1.3 MI N of Barbur Blvd · Structure no. 08202 001 29634

Built
1959
66 years old
Condition
Fair
inspected January 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
189 ft
2 main spans
Daily traffic
96,559
2020 count
Owner
State
State Highway Agency

About this bridge

Spring Garden RD over I-5 (hwy 001) is a concrete continuous box beam or girders - multiple carrying Spring Garden RD over I-5 (hwy 001) 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 96,559 vehicles a day, roughly 11% of them trucks, projected to reach 136,300 by 2040. The structure is 189 ft (57.5 m) long and 42 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSpring Garden RD
CrossesI-5 (hwy 001)
Location1.3 MI N of Barbur Blvd
RouteCity Street 0
StateOregon
Coordinates45.46353, -122.69908
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating38.9 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length189 ft (57.5 m)
Longest span101 ft (30.8 m)
Deck width42 ft (12.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic96,559 (2020)
Projected traffic136,300 by 2040
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

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$1.3 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Spring Garden RD over I-5 (hwy 001) built?

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

What condition is Spring Garden RD over I-5 (hwy 001) 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 January 2024.

How much traffic does Spring Garden RD over I-5 (hwy 001) carry?

About 96,559 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is Spring Garden RD over I-5 (hwy 001)?

The structure is 189 ft (57.5 m) long with a longest span of 101 ft (30.8 m) and a deck 42 ft wide.

Who owns Spring Garden RD over I-5 (hwy 001)?

It is owned by the State Highway Agency.