US Bridges

Or 211 (hwy 161) over Butte Creek Oflow

Fair

Marion County, Oregon · 023 MI E HWY 01E · Structure no. 09793 161 00234

Built
1969
56 years old
Condition
Fair
inspected July 2023
Type
Slab
Prestressed Concrete
Length
150 ft
3 main spans
Daily traffic
7,302
2022 count
Owner
State
State Highway Agency

About this bridge

Or 211 (hwy 161) over Butte Creek Oflow is a prestressed concrete slab carrying Or 211 (hwy 161) over Butte Creek Oflow in Marion County, Oregon. It was built in 1969, so it is 56 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 5 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 7,302 vehicles a day, roughly 15% of them trucks, projected to reach 8,200 by 2042. The structure is 150 ft (45.7 m) long and 46 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

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CarriesOr 211 (hwy 161)
CrossesButte Creek Oflow
Location023 MI E HWY 01E
RouteState Highway 211
CountyMarion County
StateOregon
Coordinates45.14802, -122.784
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
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 rating20 US tons
Inventory rating15.3 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length150 ft (45.7 m)
Longest span50 ft (15.2 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,302 (2022)
Projected traffic8,200 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 211 (hwy 161) over Butte Creek Oflow built?

It was built in 1969, making it 56 years old in 2025.

What condition is Or 211 (hwy 161) over Butte Creek Oflow 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 211 (hwy 161) over Butte Creek Oflow carry?

About 7,302 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is Or 211 (hwy 161) over Butte Creek Oflow?

The structure is 150 ft (45.7 m) long with a longest span of 50 ft (15.2 m) and a deck 46 ft wide.

Who owns Or 211 (hwy 161) over Butte Creek Oflow?

It is owned by the State Highway Agency.