US Bridges

SR 7 over N Unnamed Trib to S Crk

Good

Pierce County, Washington · 2 N JCT SR 702 · Structure no. 0019928B0000000

Built
2023
2 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete
Length
23 ft
1 main span
Daily traffic
9,080
2023 count
Owner
State
State Highway Agency

About this bridge

SR 7 over N Unnamed Trib to S Crk is a concrete culvert carrying SR 7 over N Unnamed Trib to S Crk in Pierce County, Washington. It was built in 2023, so it is 2 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 9,080 vehicles a day, roughly 12% of them trucks, projected to reach 13,760 by 2039. The structure is 23 ft (6.9 m) long and 46 ft wide. If it were closed, the detour would be 28 mi (45 km).

Location

Open in Google Maps
CarriesSR 7
CrossesN Unnamed Trib to S Crk
Location2 N JCT SR 702
RouteState Highway 7
CountyPierce County
StateWashington
Coordinates46.96617, -122.35774
Functional classRural Minor 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 inspectionDecember 2023
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 rating53.6 US tons
Inventory rating41.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length23 ft (6.9 m)
Longest span21 ft (6.5 m)
Deck width46 ft (14.1 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,080 (2023)
Projected traffic13,760 by 2039
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$487,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 7 over N Unnamed Trib to S Crk built?

It was built in 2023, making it 2 years old in 2025.

What condition is SR 7 over N Unnamed Trib to S Crk 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 December 2023.

How much traffic does SR 7 over N Unnamed Trib to S Crk carry?

About 9,080 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is SR 7 over N Unnamed Trib to S Crk?

The structure is 23 ft (6.9 m) long with a longest span of 21 ft (6.5 m) and a deck 46 ft wide.

Who owns SR 7 over N Unnamed Trib to S Crk?

It is owned by the State Highway Agency.