US Bridges

Southworth Drive over Curley Creek

Good

Kitsap County, Washington · 8.3 MI E of JCT SR 16 · Structure no. 088391000000000

Built
2011
14 years old
Condition
Good
inspected June 2023
Type
Tee Beam
Prestressed Concrete
Length
127 ft
1 main span
Daily traffic
4,251
2021 count
Owner
County
County Highway Agency

About this bridge

Southworth Drive over Curley Creek is a prestressed concrete tee beam carrying Southworth Drive over Curley Creek in Kitsap County, Washington. It was built in 2011, so it is 14 years old, younger than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,251 vehicles a day, roughly 12% of them trucks, projected to reach 4,555 by 2042. The structure is 127 ft (38.7 m) long and 47 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesSouthworth Drive
CrossesCurley Creek
Location8.3 MI E of JCT SR 16
RouteCounty Highway 38010
CountyKitsap County
StateWashington
Coordinates47.52338, -122.5461
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation8: Equal to present desirable 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 rating75.7 US tons
Inventory rating45.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length127 ft (38.7 m)
Longest span122 ft (37.2 m)
Deck width47 ft (14.4 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,251 (2021)
Projected traffic4,555 by 2042
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$2.2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Southworth Drive over Curley Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is Southworth Drive over Curley Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does Southworth Drive over Curley Creek carry?

About 4,251 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is Southworth Drive over Curley Creek?

The structure is 127 ft (38.7 m) long with a longest span of 122 ft (37.2 m) and a deck 47 ft wide.

Who owns Southworth Drive over Curley Creek?

It is owned by the County Highway Agency.