US Bridges

SR 19 over Chimacum Creek

Fair

Jefferson County, Washington · 9.4 N JCT SR 104 · Structure no. 081786000000000

Built
1916
109 years old, rebuilt 1953
Condition
Fair
inspected October 2024
Type
Arch - Deck
Concrete
Length
33 ft
1 main span
Daily traffic
8,718
2023 count
Owner
State
State Highway Agency

About this bridge

SR 19 over Chimacum Creek is a concrete arch - deck carrying SR 19 over Chimacum Creek in Jefferson County, Washington. It was built in 1916 and reconstructed in 1953, so it is 109 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 8,718 vehicles a day, roughly 8% of them trucks, projected to reach 11,958 by 2039. The structure is 33 ft (10.1 m) long and 37 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR 19
CrossesChimacum Creek
Location9.4 N JCT SR 104
RouteState Highway 19
Coordinates48.01184, -122.77469
Functional classRural Minor 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.
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
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating29.7 US tons
Inventory rating22.8 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length33 ft (10.1 m)
Longest span30 ft (9.1 m)
Deck width37 ft (11.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,718 (2023)
Projected traffic11,958 by 2039
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkSTRAHNET connector

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$596,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 19 over Chimacum Creek built?

It was built in 1916, making it 109 years old in 2025. It was reconstructed in 1953.

What condition is SR 19 over Chimacum 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 SR 19 over Chimacum Creek carry?

About 8,718 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is SR 19 over Chimacum Creek?

The structure is 33 ft (10.1 m) long with a longest span of 30 ft (9.1 m) and a deck 37 ft wide.

Who owns SR 19 over Chimacum Creek?

It is owned by the State Highway Agency.