US Bridges

Whiskey Hill RD over Pudding River Overflow

FairPosted for load

Clackamas County, Oregon · 0.5 MI W of County Line · Structure no. 06191 015 00762

Built
1956
69 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
77 ft
4 main spans
Daily traffic
17,100
2018 count
Owner
County
County Highway Agency

About this bridge

Whiskey Hill RD over Pudding River Overflow is a wood or timber stringer/multi-beam or girder carrying Whiskey Hill RD over Pudding River Overflow in Clackamas County, Oregon. It was built in 1956, so it is 69 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. Its operating status is: posted for load restriction.

It carries about 17,100 vehicles a day, roughly 2% of them trucks, projected to reach 20,200 by 2038. The structure is 77 ft (23.5 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesWhiskey Hill RD
CrossesPudding River Overflow
Location0.5 MI W of County Line
RouteCounty Highway 0A598
StateOregon
Coordinates45.17863, -122.75207
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
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 rating19 US tons
Inventory rating14.7 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans4
Design loadUnknown
Structure length77 ft (23.5 m)
Longest span20 ft (6.1 m)
Deck width24 ft (7.4 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,100 (2018)
Projected traffic20,200 by 2038
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$395,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Whiskey Hill RD over Pudding River Overflow built?

It was built in 1956, making it 69 years old in 2025.

What condition is Whiskey Hill RD over Pudding River Overflow 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 Whiskey Hill RD over Pudding River Overflow carry?

About 17,100 vehicles per day (2018 count), of which roughly 2% are trucks.

How long is Whiskey Hill RD over Pudding River Overflow?

The structure is 77 ft (23.5 m) long with a longest span of 20 ft (6.1 m) and a deck 24 ft wide.

Who owns Whiskey Hill RD over Pudding River Overflow?

It is owned by the County Highway Agency.