US Bridges

River DR over Albany-Santiam Canal

Fair

Linn County, Oregon · 020 Miles East CR 719 · Structure no. 11968 071900231

Built
1966
59 years old, rebuilt 1999
Condition
Fair
inspected June 2023
Type
Slab
Prestressed Concrete
Length
91 ft
3 main spans
Daily traffic
850
2021 count
Owner
County
County Highway Agency

About this bridge

River DR over Albany-Santiam Canal is a prestressed concrete slab carrying River DR over Albany-Santiam Canal in Linn County, Oregon. It was built in 1966 and reconstructed in 1999, so it is 59 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 5 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 850 vehicles a day, roughly 10% of them trucks, projected to reach 1,184 by 2041. The structure is 91 ft (27.7 m) long and 32 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesRiver DR
CrossesAlbany-Santiam Canal
Location020 Miles East CR 719
RouteCounty Highway A0474
StateOregon
Coordinates44.51572, -122.86175
Functional classRural Major 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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.1 US tons
Inventory rating23.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans3
Design loadHS 20
Structure length91 ft (27.7 m)
Longest span30 ft (9.1 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic850 (2021)
Projected traffic1,184 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 River DR over Albany-Santiam Canal built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1999.

What condition is River DR over Albany-Santiam 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 June 2023.

How much traffic does River DR over Albany-Santiam Canal carry?

About 850 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is River DR over Albany-Santiam Canal?

The structure is 91 ft (27.7 m) long with a longest span of 30 ft (9.1 m) and a deck 32 ft wide.

Who owns River DR over Albany-Santiam Canal?

It is owned by the County Highway Agency.