US Bridges

HWY 30 over HWY 189

Fair

Polk County, Oregon · .5MI W of 99W Interchange · Structure no. 19824 030 01572

Built
2006
19 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
296 ft
2 main spans
Daily traffic
11,387
2022 count
Owner
State
State Highway Agency

About this bridge

HWY 30 over HWY 189 is a prestressed concrete continuous box beam or girders - multiple carrying HWY 30 over HWY 189 in Polk County, Oregon. It was built in 2006, so it is 19 years old, younger 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 11,387 vehicles a day, roughly 8% of them trucks, projected to reach 11,550 by 2042. The structure is 296 ft (90.2 m) long and 31 ft wide.

CarriesHWY 30
CrossesHWY 189
Location.5MI W of 99W Interchange
RouteState Highway 22
StateOregon
Coordinates44.93334, -123.23658
Functional classRural Principal Arterial - Other

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.2 US tons
Inventory rating68.2 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length296 ft (90.2 m)
Longest span155 ft (47.3 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,387 (2022)
Projected traffic11,550 by 2042
Trucks8%
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY 30 over HWY 189 built?

It was built in 2006, making it 19 years old in 2025.

What condition is HWY 30 over HWY 189 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 September 2023.

How much traffic does HWY 30 over HWY 189 carry?

About 11,387 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is HWY 30 over HWY 189?

The structure is 296 ft (90.2 m) long with a longest span of 155 ft (47.3 m) and a deck 31 ft wide.

Who owns HWY 30 over HWY 189?

It is owned by the State Highway Agency.