US Bridges

Holly LN over Abernethy Creek

PoorPosted for load

Clackamas County, Oregon · 150 Ft S of Redland · Structure no. 06217 060 00184

Built
1933
92 years old, rebuilt 1967
Condition
Poor
inspected April 2024
Type
Truss - Thru
Steel
Length
104 ft
1 main span
Daily traffic
9,700
2018 count
Owner
County
County Highway Agency

About this bridge

Holly LN over Abernethy Creek is a steel truss - thru carrying Holly LN over Abernethy Creek in Clackamas County, Oregon. It was built in 1933 and reconstructed in 1967, so it is 92 years old, older than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 9,700 vehicles a day, roughly 3% of them trucks, projected to reach 12,100 by 2038. The structure is 104 ft (31.7 m) long and 25 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesHolly LN
CrossesAbernethy Creek
Location150 Ft S of Redland
RouteCounty Highway 9605
StateOregon
Coordinates45.35967, -122.57089
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating12.9 US tons
Inventory rating10 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length104 ft (31.7 m)
Longest span102 ft (31.1 m)
Deck width25 ft (7.7 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,700 (2018)
Projected traffic12,100 by 2038
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$512,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Holly LN over Abernethy Creek built?

It was built in 1933, making it 92 years old in 2025. It was reconstructed in 1967.

What condition is Holly LN over Abernethy Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does Holly LN over Abernethy Creek carry?

About 9,700 vehicles per day (2018 count), of which roughly 3% are trucks.

How long is Holly LN over Abernethy Creek?

The structure is 104 ft (31.7 m) long with a longest span of 102 ft (31.1 m) and a deck 25 ft wide.

Who owns Holly LN over Abernethy Creek?

It is owned by the County Highway Agency.