US Bridges

144 ST NW over Rocky Creek

Good

Pierce County, Washington · 1.0 W JCT Wright-Bliss RD · Structure no. 088245000000000

Built
2007
18 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
30 ft
1 main span
Daily traffic
575
2020 count
Owner
County
County Highway Agency

About this bridge

144 ST NW over Rocky Creek is a concrete culvert carrying 144 ST NW over Rocky Creek in Pierce County, Washington. It was built in 2007, so it is 18 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 575 vehicles a day, roughly 5% of them trucks, projected to reach 9,500 by 2040. The structure is 30 ft (9.1 m) long and 38 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Carries144 ST NW
CrossesRocky Creek
Location1.0 W JCT Wright-Bliss RD
RouteCounty Highway 24300
Coordinates47.38918, -122.78608
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating63.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic575 (2020)
Projected traffic9,500 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.2 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 144 ST NW over Rocky Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is 144 ST NW over Rocky 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 2024.

How much traffic does 144 ST NW over Rocky Creek carry?

About 575 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is 144 ST NW over Rocky Creek?

The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m) and a deck 38 ft wide.

Who owns 144 ST NW over Rocky Creek?

It is owned by the County Highway Agency.