US Bridges

US 101 over Waketickeh Creek

Fair

Mason County, Washington · 3.9 S Jefferson CO · Structure no. 0012218A0000000

Built
1982
43 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
72 ft
1 main span
Daily traffic
2,639
2023 count
Owner
State
State Highway Agency

About this bridge

US 101 over Waketickeh Creek is a prestressed concrete stringer/multi-beam or girder carrying US 101 over Waketickeh Creek in Mason 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 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 2,639 vehicles a day, roughly 11% of them trucks, projected to reach 3,333 by 2039. The structure is 72 ft (21.9 m) long and 39 ft wide. If it were closed, the detour would be 37.9 mi (61 km).

CarriesUS 101
CrossesWaketickeh Creek
Location3.9 S Jefferson CO
RouteU.S. Route 101
Coordinates47.55825, -123.02575
Functional classRural Principal Arterial - Other

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.3 US tons
Inventory rating25 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20 + Mod
Structure length72 ft (21.9 m)
Longest span67 ft (20.4 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,639 (2023)
Projected traffic3,333 by 2039
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.9 mi (61 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 101 over Waketickeh Creek built?

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

What condition is US 101 over Waketickeh 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 October 2024.

How much traffic does US 101 over Waketickeh Creek carry?

About 2,639 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is US 101 over Waketickeh Creek?

The structure is 72 ft (21.9 m) long with a longest span of 67 ft (20.4 m) and a deck 39 ft wide.

Who owns US 101 over Waketickeh Creek?

It is owned by the State Highway Agency.