US Bridges

Or 34 (hwy 33) Con over SW 3rd Street

Good

Benton County, Oregon · South Corvallis · Structure no. 17053 033R05596

Built
1991
34 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
800 ft
7 main spans
Daily traffic
2,176
2022 count
Owner
State
State Highway Agency

About this bridge

Or 34 (hwy 33) Con over SW 3rd Street is a prestressed concrete stringer/multi-beam or girder carrying Or 34 (hwy 33) Con over SW 3rd Street in Benton County, Oregon. It was built in 1991, so it is 34 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 2,176 vehicles a day, roughly 6% of them trucks, projected to reach 950 by 2030. The structure is 800 ft (243.8 m) long and 29 ft wide.

CarriesOr 34 (hwy 33) Con
CrossesSW 3rd Street
LocationSouth Corvallis
RouteState Highway 34
StateOregon
Coordinates44.55774, -123.26333
Functional classUrban Other Principal Arterial

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.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26.1 US tons
Inventory rating20 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 25 or greater
Structure length800 ft (243.8 m)
Longest span133 ft (40.5 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,176 (2022)
Projected traffic950 by 2030
Trucks6%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$4.1 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Or 34 (hwy 33) Con over SW 3rd Street built?

It was built in 1991, making it 34 years old in 2025.

What condition is Or 34 (hwy 33) Con over SW 3rd Street 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 May 2023.

How much traffic does Or 34 (hwy 33) Con over SW 3rd Street carry?

About 2,176 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Or 34 (hwy 33) Con over SW 3rd Street?

The structure is 800 ft (243.8 m) long with a longest span of 133 ft (40.5 m) and a deck 29 ft wide.

Who owns Or 34 (hwy 33) Con over SW 3rd Street?

It is owned by the State Highway Agency.