US Bridges

SW Queen Ave over Calapooia River

Fair

Linn County, Oregon · 002 MI N CR 32 · Structure no. 43C30 000100612

Built
1960
65 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
208 ft
5 main spans
Daily traffic
5,356
2021 count
Owner
County
County Highway Agency

About this bridge

SW Queen Ave over Calapooia River is a concrete continuous stringer/multi-beam or girder carrying SW Queen Ave over Calapooia River in Linn County, Oregon. It was built in 1960, so it is 65 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 5,356 vehicles a day, roughly 10% of them trucks, projected to reach 8,487 by 2041. The structure is 208 ft (63.4 m) long and 41 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSW Queen Ave
CrossesCalapooia River
Location002 MI N CR 32
RouteCounty Highway 0
CountyLinn County
StateOregon
Coordinates44.61987, -123.12859
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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating26.1 US tons
Inventory rating20 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length208 ft (63.4 m)
Longest span62 ft (18.9 m)
Deck width41 ft (12.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,356 (2021)
Projected traffic8,487 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 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 SW Queen Ave over Calapooia River built?

It was built in 1960, making it 65 years old in 2025.

What condition is SW Queen Ave over Calapooia River 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 October 2024.

How much traffic does SW Queen Ave over Calapooia River carry?

About 5,356 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is SW Queen Ave over Calapooia River?

The structure is 208 ft (63.4 m) long with a longest span of 62 ft (18.9 m) and a deck 41 ft wide.

Who owns SW Queen Ave over Calapooia River?

It is owned by the County Highway Agency.