US Bridges

SR 119 over Big Creek

Fair

Mason County, Washington · 9.4 N JCT SR 101 · Structure no. 002003660000000

Built
1960
65 years old
Condition
Fair
inspected July 2024
Type
Tee Beam
Concrete
Length
25 ft
1 main span
Daily traffic
519
2023 count
Owner
State
State Highway Agency

About this bridge

SR 119 over Big Creek is a concrete tee beam carrying SR 119 over Big Creek in Mason County, Washington. It was built in 1960, so it is 65 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 519 vehicles a day, roughly 6% of them trucks, projected to reach 738 by 2039. The structure is 25 ft (7.6 m) long and 28 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesSR 119
CrossesBig Creek
Location9.4 N JCT SR 101
RouteState Highway 119
CountyMason County
StateWashington
Coordinates47.49195, -123.21131
Functional classRural Major Collector

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 inspectionJuly 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating39.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length25 ft (7.6 m)
Longest span24 ft (7.3 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic519 (2023)
Projected traffic738 by 2039
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

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$332,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 119 over Big Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is SR 119 over Big 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 July 2024.

How much traffic does SR 119 over Big Creek carry?

About 519 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is SR 119 over Big Creek?

The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.3 m) and a deck 28 ft wide.

Who owns SR 119 over Big Creek?

It is owned by the State Highway Agency.