US Bridges

US 101 over Percival CR & Bnrr

Fair

Thurston County, Washington · 4.5 S JCT SR 8 · Structure no. 0014272A0000000

Built
1995
30 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
314 ft
3 main spans
Daily traffic
37,858
2023 count
Owner
State
State Highway Agency

About this bridge

US 101 over Percival CR & Bnrr is a prestressed concrete continuous stringer/multi-beam or girder carrying US 101 over Percival CR & Bnrr in Thurston County, Washington. It was built in 1995, so it is 30 years old, younger than the Washington average of 49.8 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 37,858 vehicles a day, roughly 5% of them trucks, projected to reach 58,322 by 2039. The structure is 314 ft (95.7 m) long and 67 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 101
CrossesPercival CR & Bnrr
Location4.5 S JCT SR 8
RouteU.S. Route 101
CountyThurston County
StateWashington
Coordinates47.02711, -122.92982
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length314 ft (95.7 m)
Longest span135 ft (41.1 m)
Deck width67 ft (20.4 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37,858 (2023)
Projected traffic58,322 by 2039
Trucks5%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad and waterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$9.8 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 101 over Percival CR & Bnrr built?

It was built in 1995, making it 30 years old in 2025.

What condition is US 101 over Percival CR & Bnrr 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 November 2023.

How much traffic does US 101 over Percival CR & Bnrr carry?

About 37,858 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is US 101 over Percival CR & Bnrr?

The structure is 314 ft (95.7 m) long with a longest span of 135 ft (41.1 m) and a deck 67 ft wide.

Who owns US 101 over Percival CR & Bnrr?

It is owned by the State Highway Agency.