US Bridges

Deschutes Parkway over Percival Creek

Good

Thurston County, Washington · 1.2 M N US 101 · Structure no. 086561000000000

Built
1952
73 years old
Condition
Good
inspected November 2023
Type
Tee Beam
Concrete Continuous
Length
100 ft
3 main spans
Daily traffic
8,500
2001 count
Owner
State
Other State Agency

About this bridge

Deschutes Parkway over Percival Creek is a concrete continuous tee beam carrying Deschutes Parkway over Percival Creek in Thurston County, Washington. It was built in 1952, so it is 73 years old, older 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 8,500 vehicles a day, roughly 1% of them trucks, projected to reach 15,640 by 2036. The structure is 100 ft (30.5 m) long and 56 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesDeschutes Parkway
CrossesPercival Creek
Location1.2 M N US 101
RouteCity Street 0
Coordinates47.03572, -122.91203
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to 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 rating45 US tons
Inventory rating27 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length100 ft (30.5 m)
Longest span60 ft (18.3 m)
Deck width56 ft (17.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,500 (2001)
Projected traffic15,640 by 2036
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther State Agency
Maintained byOther State Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Deschutes Parkway over Percival Creek built?

It was built in 1952, making it 73 years old in 2025.

What condition is Deschutes Parkway over Percival 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 November 2023.

How much traffic does Deschutes Parkway over Percival Creek carry?

About 8,500 vehicles per day (2001 count), of which roughly 1% are trucks.

How long is Deschutes Parkway over Percival Creek?

The structure is 100 ft (30.5 m) long with a longest span of 60 ft (18.3 m) and a deck 56 ft wide.

Who owns Deschutes Parkway over Percival Creek?

It is owned by the Other State Agency.