US Bridges

Buckner CR RD over Buckner Creek

Fair

Clackamas County, Oregon · 0.02 MI S of Newkirchner · Structure no. 06318 000 002

Built
1960
65 years old
Condition
Fair
inspected April 2023
Type
Channel Beam
Concrete
Length
38 ft
2 main spans
Daily traffic
103
2020 count
Owner
County
County Highway Agency

About this bridge

Buckner CR RD over Buckner Creek is a concrete channel beam carrying Buckner CR RD over Buckner Creek in Clackamas County, Oregon. It was built in 1960, so it is 65 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.

It carries about 103 vehicles a day, roughly 21% of them trucks, projected to reach 103 by 2025. The structure is 38 ft (11.6 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesBuckner CR RD
CrossesBuckner Creek
Location0.02 MI S of Newkirchner
RouteCounty Highway C1520
CountyClackamas County
StateOregon
Coordinates45.23578, -122.54867
Functional classRural Minor Collector

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating38.6 US tons
Inventory rating29.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadH 20
Structure length38 ft (11.6 m)
Longest span19 ft (5.8 m)
Deck width28 ft (8.6 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic103 (2020)
Projected traffic103 by 2025
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Buckner CR RD over Buckner Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Buckner CR RD over Buckner 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 April 2023.

How much traffic does Buckner CR RD over Buckner Creek carry?

About 103 vehicles per day (2020 count), of which roughly 21% are trucks.

How long is Buckner CR RD over Buckner Creek?

The structure is 38 ft (11.6 m) long with a longest span of 19 ft (5.8 m) and a deck 28 ft wide.

Who owns Buckner CR RD over Buckner Creek?

It is owned by the County Highway Agency.