US Bridges

US 101 over Fulton Creek

Fair

Jefferson County, Washington · 28.4 S JCT SR 104 · Structure no. 0000987A0000000

Built
1926
99 years old
Condition
Fair
inspected October 2024
Type
Tee Beam
Concrete
Length
127 ft
3 main spans
Daily traffic
2,667
2023 count
Owner
State
State Highway Agency

About this bridge

US 101 over Fulton Creek is a concrete tee beam carrying US 101 over Fulton Creek in Jefferson County, Washington. It was built in 1926, so it is 99 years old, older 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 2,667 vehicles a day, roughly 11% of them trucks, projected to reach 3,481 by 2039. The structure is 127 ft (38.7 m) long and 28 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesUS 101
CrossesFulton Creek
Location28.4 S JCT SR 104
RouteU.S. Route 101
Coordinates47.61826, -122.97489
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.2 US tons
Inventory rating25.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length127 ft (38.7 m)
Longest span45 ft (13.7 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,667 (2023)
Projected traffic3,481 by 2039
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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$1.7 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 101 over Fulton Creek built?

It was built in 1926, making it 99 years old in 2025.

What condition is US 101 over Fulton 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 Fulton Creek carry?

About 2,667 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is US 101 over Fulton Creek?

The structure is 127 ft (38.7 m) long with a longest span of 45 ft (13.7 m) and a deck 28 ft wide.

Who owns US 101 over Fulton Creek?

It is owned by the State Highway Agency.