US Bridges

Vail Loop Road over Deschutes River

Good

Thurston County, Washington · .5 M. S. of Vail Cut Off · Structure no. 082955000000000

Built
1982
43 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
149 ft
1 main span
Daily traffic
851
2021 count
Owner
County
County Highway Agency

About this bridge

Vail Loop Road over Deschutes River is a prestressed concrete stringer/multi-beam or girder carrying Vail Loop Road over Deschutes River in Thurston County, Washington. It was built in 1982, so it is 43 years old, younger than the Washington average of 49.8 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 851 vehicles a day, roughly 15% of them trucks, projected to reach 1,315 by 2043. The structure is 149 ft (45.4 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesVail Loop Road
CrossesDeschutes River
Location.5 M. S. of Vail Cut Off
RouteCounty Highway 15275
Coordinates46.85194, -122.66939
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 protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 rating110.1 US tons
Inventory rating77.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length149 ft (45.4 m)
Longest span145 ft (44.2 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic851 (2021)
Projected traffic1,315 by 2043
Trucks15%
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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$2.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Vail Loop Road over Deschutes River built?

It was built in 1982, making it 43 years old in 2025.

What condition is Vail Loop Road over Deschutes River 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 August 2023.

How much traffic does Vail Loop Road over Deschutes River carry?

About 851 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is Vail Loop Road over Deschutes River?

The structure is 149 ft (45.4 m) long with a longest span of 145 ft (44.2 m) and a deck 31 ft wide.

Who owns Vail Loop Road over Deschutes River?

It is owned by the County Highway Agency.