US Bridges

Oak ST over Santiam-Albany Canal

FairPosted for load

Linn County, Oregon · 001 East of Cl Main ST · Structure no. 43B006000000000

Built
1968
57 years old
Condition
Fair
inspected July 2023
Type
Slab
Prestressed Concrete
Length
41 ft
1 main span
Daily traffic
2,369
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Oak ST over Santiam-Albany Canal is a prestressed concrete slab carrying Oak ST over Santiam-Albany Canal in Linn County, Oregon. It was built in 1968, so it is 57 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. Its operating status is: posted for other load-capacity restriction.

It carries about 2,369 vehicles a day, roughly 5% of them trucks, projected to reach 3,193 by 2041. The structure is 41 ft (12.5 m) long and 42 ft wide.

CarriesOak ST
CrossesSantiam-Albany Canal
Location001 East of Cl Main ST
RouteCity Street 0
StateOregon
Coordinates44.53647, -122.90502
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating30 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length41 ft (12.5 m)
Longest span40 ft (12.2 m)
Deck width42 ft (12.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,369 (2021)
Projected traffic3,193 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Oak ST over Santiam-Albany Canal built?

It was built in 1968, making it 57 years old in 2025.

What condition is Oak ST over Santiam-Albany Canal 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 July 2023.

How much traffic does Oak ST over Santiam-Albany Canal carry?

About 2,369 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Oak ST over Santiam-Albany Canal?

The structure is 41 ft (12.5 m) long with a longest span of 40 ft (12.2 m) and a deck 42 ft wide.

Who owns Oak ST over Santiam-Albany Canal?

It is owned by the City or Municipal Highway Agency.