US Bridges

70 Av E over Wapato Creek

Good

Pierce County, Washington · 0.1 S Valley Ave · Structure no. 088553000000000

Built
2009
16 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
26 ft
1 main span
Daily traffic
9,500
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

70 Av E over Wapato Creek is a concrete culvert carrying 70 Av E over Wapato Creek in Pierce County, Washington. It was built in 2009, so it is 16 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 9,500 vehicles a day, roughly 5% of them trucks, projected to reach 15,200 by 2042. The structure is 26 ft (7.9 m) long and 88 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries70 Av E
CrossesWapato Creek
Location0.1 S Valley Ave
RouteCounty Highway 96710
Coordinates47.22637, -122.33642
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.8 US tons
Inventory rating43.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width88 ft (26.9 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,500 (2021)
Projected traffic15,200 by 2042
Trucks5%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.4 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 70 Av E over Wapato Creek built?

It was built in 2009, making it 16 years old in 2025.

What condition is 70 Av E over Wapato 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 October 2023.

How much traffic does 70 Av E over Wapato Creek carry?

About 9,500 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is 70 Av E over Wapato Creek?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 88 ft wide.

Who owns 70 Av E over Wapato Creek?

It is owned by the City or Municipal Highway Agency.