US Bridges

West Perrydale RD over Salt Creek

Fair

Polk County, Oregon · 020 W of Perrydale · Structure no. 53C026000100165

Built
1960
65 years old, rebuilt 2001
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
97 ft
10 main spans
Daily traffic
156
2020 count
Owner
County
County Highway Agency

About this bridge

West Perrydale RD over Salt Creek is a wood or timber stringer/multi-beam or girder carrying West Perrydale RD over Salt Creek in Polk County, Oregon. It was built in 1960 and reconstructed in 2001, 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 156 vehicles a day, roughly 10% of them trucks, projected to reach 239 by 2040. The structure is 97 ft (29.6 m) long and 25 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesWest Perrydale RD
CrossesSalt Creek
Location020 W of Perrydale
RouteCounty Highway A0549
StateOregon
Coordinates45.04291, -123.29332
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating30.3 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans10
Design loadUnknown
Structure length97 ft (29.6 m)
Longest span11 ft (3.4 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic156 (2020)
Projected traffic239 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 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 West Perrydale RD over Salt Creek built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2001.

What condition is West Perrydale RD over Salt 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 August 2024.

How much traffic does West Perrydale RD over Salt Creek carry?

About 156 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is West Perrydale RD over Salt Creek?

The structure is 97 ft (29.6 m) long with a longest span of 11 ft (3.4 m) and a deck 25 ft wide.

Who owns West Perrydale RD over Salt Creek?

It is owned by the County Highway Agency.