US Bridges

Or 22 (hwy 162) over Boulder Creek

FairPosted for load

Marion County, Oregon · In Idanha · Structure no. 05978 162 05409

Built
1932
93 years old, rebuilt 1965
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete
Length
85 ft
3 main spans
Daily traffic
3,723
2022 count
Owner
State
State Highway Agency

About this bridge

Or 22 (hwy 162) over Boulder Creek is a concrete tee beam carrying Or 22 (hwy 162) over Boulder Creek in Marion County, Oregon. It was built in 1932 and reconstructed in 1965, so it is 93 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. Its operating status is: posted for other load-capacity restriction.

It carries about 3,723 vehicles a day, roughly 17% of them trucks, projected to reach 5,300 by 2042. The structure is 85 ft (26 m) long and 45 ft wide. If it were closed, the detour would be 46.6 mi (75 km).

CarriesOr 22 (hwy 162)
CrossesBoulder Creek
LocationIn Idanha
RouteState Highway 22
StateOregon
Coordinates44.7043, -122.0898
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.5 US tons
Inventory rating25 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length85 ft (26 m)
Longest span40 ft (12.2 m)
Deck width45 ft (13.6 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,723 (2022)
Projected traffic5,300 by 2042
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed46.6 mi (75 km)
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Or 22 (hwy 162) over Boulder Creek built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1965.

What condition is Or 22 (hwy 162) over Boulder Creek 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 August 2023.

How much traffic does Or 22 (hwy 162) over Boulder Creek carry?

About 3,723 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is Or 22 (hwy 162) over Boulder Creek?

The structure is 85 ft (26 m) long with a longest span of 40 ft (12.2 m) and a deck 45 ft wide.

Who owns Or 22 (hwy 162) over Boulder Creek?

It is owned by the State Highway Agency.