US Bridges

176 ST E over Tacoma Eastern Railroad

Good

Pierce County, Washington · 3.8 E JCT SR 7 · Structure no. 088485000000000

Built
2011
14 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
76 ft
1 main span
Daily traffic
21,675
2024 count
Owner
County
County Highway Agency

About this bridge

176 ST E over Tacoma Eastern Railroad is a prestressed concrete stringer/multi-beam or girder carrying 176 ST E over Tacoma Eastern Railroad in Pierce 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 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 21,675 vehicles a day, roughly 5% of them trucks, projected to reach 36,000 by 2040. The structure is 76 ft (23.2 m) long and 81 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries176 ST E
CrossesTacoma Eastern Railroad
Location3.8 E JCT SR 7
RouteCounty Highway 94700
Coordinates47.105, -122.36333
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating39 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length76 ft (23.2 m)
Longest span71 ft (21.6 m)
Deck width81 ft (24.7 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,675 (2024)
Projected traffic36,000 by 2040
Trucks5%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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$5.1 million (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was 176 ST E over Tacoma Eastern Railroad built?

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

What condition is 176 ST E over Tacoma Eastern Railroad 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 176 ST E over Tacoma Eastern Railroad carry?

About 21,675 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is 176 ST E over Tacoma Eastern Railroad?

The structure is 76 ft (23.2 m) long with a longest span of 71 ft (21.6 m) and a deck 81 ft wide.

Who owns 176 ST E over Tacoma Eastern Railroad?

It is owned by the County Highway Agency.