US Bridges

I-5 (hwy 1) SB over Albany Ditch

Fair

Linn County, Oregon · 015 MI S of Albany Scl · Structure no. 08225S001 23155

Built
1958
67 years old
Condition
Fair
inspected January 2023
Type
Slab
Concrete Continuous
Length
78 ft
3 main spans
Daily traffic
26,927
2022 count
Owner
State
State Highway Agency

About this bridge

I-5 (hwy 1) SB over Albany Ditch is a concrete continuous slab carrying I-5 (hwy 1) SB over Albany Ditch in Linn County, Oregon. It was built in 1958, so it is 67 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 26,927 vehicles a day, roughly 15% of them trucks, projected to reach 37,550 by 2042. The structure is 78 ft (23.8 m) long and 42 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesI-5 (hwy 1) SB
CrossesAlbany Ditch
Location015 MI S of Albany Scl
RouteInterstate 5
CountyLinn County
StateOregon
Coordinates44.60592, -123.0622
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.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length78 ft (23.8 m)
Longest span30 ft (9.1 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,927 (2022)
Projected traffic37,550 by 2042
Trucks15%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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) SB over Albany Ditch built?

It was built in 1958, making it 67 years old in 2025.

What condition is I-5 (hwy 1) SB over Albany Ditch 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 2023.

How much traffic does I-5 (hwy 1) SB over Albany Ditch carry?

About 26,927 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is I-5 (hwy 1) SB over Albany Ditch?

The structure is 78 ft (23.8 m) long with a longest span of 30 ft (9.1 m) and a deck 42 ft wide.

Who owns I-5 (hwy 1) SB over Albany Ditch?

It is owned by the State Highway Agency.