US Bridges

Or 34 (hwy 33) over 3rd & 4th Streets

Good

Benton County, Oregon · In Corvallis · Structure no. 16874 033 05596

Built
1992
33 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,258 ft
10 main spans
Daily traffic
22,606
2022 count
Owner
State
State Highway Agency

About this bridge

Or 34 (hwy 33) over 3rd & 4th Streets is a prestressed concrete stringer/multi-beam or girder carrying Or 34 (hwy 33) over 3rd & 4th Streets in Benton County, Oregon. It was built in 1992, so it is 33 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 22,606 vehicles a day, roughly 6% of them trucks, projected to reach 22,700 by 2042. The structure is 1,258 ft (383.3 m) long and 43 ft wide.

Location

Open in Google Maps
CarriesOr 34 (hwy 33)
Crosses3rd & 4th Streets
LocationIn Corvallis
RouteU.S. Route 34
CountyBenton County
StateOregon
Coordinates44.55712, -123.26453
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26.8 US tons
Inventory rating20.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans10
Design loadHS 25 or greater
Structure length1,258 ft (383.3 m)
Longest span141 ft (43 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,606 (2022)
Projected traffic22,700 by 2042
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
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$8.9 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Or 34 (hwy 33) over 3rd & 4th Streets built?

It was built in 1992, making it 33 years old in 2025.

What condition is Or 34 (hwy 33) over 3rd & 4th Streets 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) over 3rd & 4th Streets carry?

About 22,606 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Or 34 (hwy 33) over 3rd & 4th Streets?

The structure is 1,258 ft (383.3 m) long with a longest span of 141 ft (43 m) and a deck 43 ft wide.

Who owns Or 34 (hwy 33) over 3rd & 4th Streets?

It is owned by the State Highway Agency.