US Bridges

304 ST E over South Creek Tributary

Fair

Pierce County, Washington · 1.5 E JCT SR 7 · Structure no. 080292000000000

Built
1955
70 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete Continuous
Length
64 ft
3 main spans
Daily traffic
5,600
2020 count
Owner
County
County Highway Agency

About this bridge

304 ST E over South Creek Tributary is a concrete continuous slab carrying 304 ST E over South Creek Tributary in Pierce County, Washington. It was built in 1955, so it is 70 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 5,600 vehicles a day, roughly 5% of them trucks, projected to reach 9,200 by 2040. The structure is 64 ft (19.5 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Carries304 ST E
CrossesSouth Creek Tributary
Location1.5 E JCT SR 7
RouteCounty Highway 97300
Coordinates46.98027, -122.32704
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84 US tons
Inventory rating50 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length64 ft (19.5 m)
Longest span24 ft (7.3 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,600 (2020)
Projected traffic9,200 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$2.3 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 304 ST E over South Creek Tributary built?

It was built in 1955, making it 70 years old in 2025.

What condition is 304 ST E over South Creek Tributary 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 June 2024.

How much traffic does 304 ST E over South Creek Tributary carry?

About 5,600 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is 304 ST E over South Creek Tributary?

The structure is 64 ft (19.5 m) long with a longest span of 24 ft (7.3 m) and a deck 28 ft wide.

Who owns 304 ST E over South Creek Tributary?

It is owned by the County Highway Agency.