US Bridges

I-5 (hwy 1) NB over Sidney Power Canal

Good

Marion County, Oregon · 084 MI N of Albany Ncl · Structure no. 18356 001 24258

Built
2001
24 years old
Condition
Good
inspected December 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
46 ft
1 main span
Daily traffic
33,486
2022 count
Owner
State
State Highway Agency

About this bridge

I-5 (hwy 1) NB over Sidney Power Canal is a prestressed concrete box beam or girders - single or spread carrying I-5 (hwy 1) NB over Sidney Power Canal in Marion County, Oregon. It was built in 2001, so it is 24 years old, younger 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 33,486 vehicles a day, roughly 15% of them trucks, projected to reach 36,050 by 2042. The structure is 46 ft (14 m) long and 50 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesI-5 (hwy 1) NB
CrossesSidney Power Canal
Location084 MI N of Albany Ncl
RouteInterstate 5
CountyMarion County
StateOregon
Coordinates44.76419, -123.04671
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating38.6 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length46 ft (14 m)
Longest span46 ft (14 m)
Deck width50 ft (15.2 m)
Roadway width47 ft (14.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33,486 (2022)
Projected traffic36,050 by 2042
Trucks15%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-5 (hwy 1) NB over Sidney Power Canal built?

It was built in 2001, making it 24 years old in 2025.

What condition is I-5 (hwy 1) NB over Sidney Power Canal 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 December 2023.

How much traffic does I-5 (hwy 1) NB over Sidney Power Canal carry?

About 33,486 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is I-5 (hwy 1) NB over Sidney Power Canal?

The structure is 46 ft (14 m) long with a longest span of 46 ft (14 m) and a deck 50 ft wide.

Who owns I-5 (hwy 1) NB over Sidney Power Canal?

It is owned by the State Highway Agency.