US Bridges

I-5 (hwy 1) SB over HWY 1E

Fair

Marion County, Oregon · 00.4 MI N of JCT 1E · Structure no. 07524B001 24938

Built
1954
71 years old, rebuilt 1998
Condition
Fair
inspected December 2023
Type
Tee Beam
Concrete Continuous
Length
140 ft
4 main spans
Daily traffic
33,636
2022 count
Owner
State
State Highway Agency

About this bridge

I-5 (hwy 1) SB over HWY 1E is a concrete continuous tee beam carrying I-5 (hwy 1) SB over HWY 1E in Marion County, Oregon. It was built in 1954 and reconstructed in 1998, so it is 71 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 33,636 vehicles a day, roughly 15% of them trucks, projected to reach 37,450 by 2042. The structure is 140 ft (42.7 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-5 (hwy 1) SB
CrossesHWY 1E
Location00.4 MI N of JCT 1E
RouteInterstate 5
CountyMarion County
StateOregon
Coordinates44.8565, -123.01231
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 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 rating27.1 US tons
Inventory rating21.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length140 ft (42.7 m)
Longest span55 ft (16.8 m)
Deck width47 ft (14.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33,636 (2022)
Projected traffic37,450 by 2042
Trucks15%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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$717,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-5 (hwy 1) SB over HWY 1E built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1998.

What condition is I-5 (hwy 1) SB over HWY 1E 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 December 2023.

How much traffic does I-5 (hwy 1) SB over HWY 1E carry?

About 33,636 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is I-5 (hwy 1) SB over HWY 1E?

The structure is 140 ft (42.7 m) long with a longest span of 55 ft (16.8 m) and a deck 47 ft wide.

Who owns I-5 (hwy 1) SB over HWY 1E?

It is owned by the State Highway Agency.