US Bridges

Fernwood RD over Woodcock Creek

Good

Clackamas County, Oregon · 3.0MI E of Dickey Prairie · Structure no. 06340 009 00272

Built
1968
57 years old
Condition
Good
inspected April 2023
Type
Slab
Prestressed Concrete
Length
28 ft
1 main span
Daily traffic
329
2020 count
Owner
County
County Highway Agency

About this bridge

Fernwood RD over Woodcock Creek is a prestressed concrete slab carrying Fernwood RD over Woodcock Creek in Clackamas County, Oregon. It was built in 1968, so it is 57 years old, older than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 329 vehicles a day, roughly 16% of them trucks, projected to reach 334 by 2025. The structure is 28 ft (8.5 m) long and 27 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesFernwood RD
CrossesWoodcock Creek
Location3.0MI E of Dickey Prairie
RouteCounty Highway A0608
StateOregon
Coordinates45.12397, -122.47324
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
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 evaluation7: Better than 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 rating47.2 US tons
Inventory rating36.4 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span26 ft (7.9 m)
Deck width27 ft (8.3 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic329 (2020)
Projected traffic334 by 2025
Trucks16%
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

OwnerCounty Highway Agency
Maintained byCounty 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 Fernwood RD over Woodcock Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is Fernwood RD over Woodcock Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.

How much traffic does Fernwood RD over Woodcock Creek carry?

About 329 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is Fernwood RD over Woodcock Creek?

The structure is 28 ft (8.5 m) long with a longest span of 26 ft (7.9 m) and a deck 27 ft wide.

Who owns Fernwood RD over Woodcock Creek?

It is owned by the County Highway Agency.