US Bridges

Or 213 (hwy 160) over Rock Creek

Fair

Clackamas County, Oregon · 055 MI N Clack Marion LN · Structure no. 18277 160 01866

Built
1997
28 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
69 ft
1 main span
Daily traffic
5,214
2022 count
Owner
State
State Highway Agency

About this bridge

Or 213 (hwy 160) over Rock Creek is a prestressed concrete stringer/multi-beam or girder carrying Or 213 (hwy 160) over Rock Creek in Clackamas County, Oregon. It was built in 1997, so it is 28 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 5,214 vehicles a day, roughly 14% of them trucks, projected to reach 5,700 by 2042. The structure is 69 ft (21 m) long and 42 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesOr 213 (hwy 160)
CrossesRock Creek
Location055 MI N Clack Marion LN
RouteState Highway 213
StateOregon
Coordinates45.11741, -122.62827
Functional classRural Minor Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.6 US tons
Inventory rating29.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length69 ft (21 m)
Longest span69 ft (21 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,214 (2022)
Projected traffic5,700 by 2042
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

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 213 (hwy 160) over Rock Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is Or 213 (hwy 160) over Rock 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 July 2023.

How much traffic does Or 213 (hwy 160) over Rock Creek carry?

About 5,214 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is Or 213 (hwy 160) over Rock Creek?

The structure is 69 ft (21 m) long with a longest span of 69 ft (21 m) and a deck 42 ft wide.

Who owns Or 213 (hwy 160) over Rock Creek?

It is owned by the State Highway Agency.