US Bridges

SR 3 over Goldsborough Creek

Fair

Mason County, Washington · 2.4 N JCT US 101 · Structure no. 0000729A0000000

Built
1923
102 years old
Condition
Fair
inspected May 2023
Type
Arch - Thru
Concrete
Length
57 ft
1 main span
Daily traffic
17,285
2023 count
Owner
State
State Highway Agency

About this bridge

SR 3 over Goldsborough Creek is a concrete arch - thru carrying SR 3 over Goldsborough Creek in Mason County, Washington. It was built in 1923, so it is 102 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 17,285 vehicles a day, roughly 8% of them trucks, projected to reach 22,262 by 2039. The structure is 57 ft (17.4 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSR 3
CrossesGoldsborough Creek
Location2.4 N JCT US 101
RouteState Highway 3
CountyMason County
StateWashington
Coordinates47.20922, -123.10081
Functional classUrban Other Principal Arterial

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.5 US tons
Inventory rating22.2 US tons

Structure

Structure typeArch - Thru
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length57 ft (17.4 m)
Longest span55 ft (16.8 m)
Deck width33 ft (10.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,285 (2023)
Projected traffic22,262 by 2039
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusListed on 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 SR 3 over Goldsborough Creek built?

It was built in 1923, making it 102 years old in 2025.

What condition is SR 3 over Goldsborough 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 May 2023.

How much traffic does SR 3 over Goldsborough Creek carry?

About 17,285 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is SR 3 over Goldsborough Creek?

The structure is 57 ft (17.4 m) long with a longest span of 55 ft (16.8 m) and a deck 33 ft wide.

Who owns SR 3 over Goldsborough Creek?

It is owned by the State Highway Agency.