US Bridges

Barlow Trail RD over Hackett Creek

Fair

Clackamas County, Oregon · 4.0 MI W of Lolo Pass RD · Structure no. 06394 002 00252

Built
1965
60 years old
Condition
Fair
inspected July 2024
Type
Slab
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
165,900
2018 count
Owner
County
County Highway Agency

About this bridge

Barlow Trail RD over Hackett Creek is a prestressed concrete slab carrying Barlow Trail RD over Hackett Creek in Clackamas County, Oregon. It was built in 1965, so it is 60 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 165,900 vehicles a day, roughly 4% of them trucks, projected to reach 174,000 by 2038. The structure is 30 ft (9 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesBarlow Trail RD
CrossesHackett Creek
Location4.0 MI W of Lolo Pass RD
RouteCounty Highway 0A651
StateOregon
Coordinates45.37453, -122.00333
Functional classRural Major 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating42.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 15
Structure length30 ft (9 m)
Longest span30 ft (9 m)
Deck width25 ft (7.5 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic165,900 (2018)
Projected traffic174,000 by 2038
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$154,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Barlow Trail RD over Hackett Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Barlow Trail RD over Hackett 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 2024.

How much traffic does Barlow Trail RD over Hackett Creek carry?

About 165,900 vehicles per day (2018 count), of which roughly 4% are trucks.

How long is Barlow Trail RD over Hackett Creek?

The structure is 30 ft (9 m) long with a longest span of 30 ft (9 m) and a deck 25 ft wide.

Who owns Barlow Trail RD over Hackett Creek?

It is owned by the County Highway Agency.