US Bridges

Or 99W (hwy 091) over Ash Swale

Good

Polk County, Oregon · 067 MI N Rickreall JCT · Structure no. 22533 091 05106

Built
2019
6 years old
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
5,468
2022 count
Owner
State
State Highway Agency

About this bridge

Or 99W (hwy 091) over Ash Swale is a prestressed concrete box beam or girders - single or spread carrying Or 99W (hwy 091) over Ash Swale in Polk County, Oregon. It was built in 2019, so it is 6 years old, younger 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 5,468 vehicles a day, roughly 16% of them trucks, projected to reach 6,200 by 2042. The structure is 40 ft (12.2 m) long and 47 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesOr 99W (hwy 091)
CrossesAsh Swale
Location067 MI N Rickreall JCT
RouteState Highway 99
CountyPolk County
StateOregon
Coordinates45.02376, -123.20762
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.8 US tons
Inventory rating63.2 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length40 ft (12.2 m)
Longest span40 ft (12.2 m)
Deck width47 ft (14.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,468 (2022)
Projected traffic6,200 by 2042
Trucks16%
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

OwnerState Highway Agency
Maintained byState 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 Or 99W (hwy 091) over Ash Swale built?

It was built in 2019, making it 6 years old in 2025.

What condition is Or 99W (hwy 091) over Ash Swale 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 Or 99W (hwy 091) over Ash Swale carry?

About 5,468 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is Or 99W (hwy 091) over Ash Swale?

The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m) and a deck 47 ft wide.

Who owns Or 99W (hwy 091) over Ash Swale?

It is owned by the State Highway Agency.