US Bridges

8 Av E over Muck Creek

Good

Pierce County, Washington · 4.0 S JCT SR 7 · Structure no. 088998000000000

Built
2017
8 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
99 ft
1 main span
Daily traffic
3,725
2024 count
Owner
County
County Highway Agency

About this bridge

8 Av E over Muck Creek is a prestressed concrete stringer/multi-beam or girder carrying 8 Av E over Muck Creek in Pierce County, Washington. It was built in 2017, so it is 8 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 3,725 vehicles a day, roughly 5% of them trucks, projected to reach 6,100 by 2040. The structure is 99 ft (30.2 m) long and 38 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Carries8 Av E
CrossesMuck Creek
Location4.0 S JCT SR 7
RouteCounty Highway 45610
Coordinates47.0147, -122.42205
Functional classRural Major Collector

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 protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating64.3 US tons
Inventory rating47.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHL 93
Structure length99 ft (30.2 m)
Longest span94 ft (28.7 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,725 (2024)
Projected traffic6,100 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.8 mi (11 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$3.3 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 8 Av E over Muck Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is 8 Av E over Muck 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 8 Av E over Muck Creek carry?

About 3,725 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is 8 Av E over Muck Creek?

The structure is 99 ft (30.2 m) long with a longest span of 94 ft (28.7 m) and a deck 38 ft wide.

Who owns 8 Av E over Muck Creek?

It is owned by the County Highway Agency.