US Bridges

SR 16 S to Sprague over Terrain

Good

Pierce County, Washington · 0.37 W JCT I-5 · Structure no. 0017594E0000000

Built
2010
15 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
316 ft
3 main spans
Daily traffic
5,861
2022 count
Owner
State
State Highway Agency

About this bridge

SR 16 S to Sprague over Terrain is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 16 S to Sprague over Terrain in Pierce County, Washington. It was built in 2010, so it is 15 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 5,861 vehicles a day, roughly 7% of them trucks, projected to reach 8,438 by 2039. The structure is 316 ft (96.3 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 16 S to Sprague
CrossesTerrain
Location0.37 W JCT I-5
RouteState Highway 16
Coordinates47.2345, -122.46744
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Substructure8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating65 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length316 ft (96.3 m)
Longest span154 ft (46.9 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,861 (2022)
Projected traffic8,438 by 2039
Trucks7%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkSTRAHNET connector

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$4.4 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 16 S to Sprague over Terrain built?

It was built in 2010, making it 15 years old in 2025.

What condition is SR 16 S to Sprague over Terrain 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 March 2024.

How much traffic does SR 16 S to Sprague over Terrain carry?

About 5,861 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is SR 16 S to Sprague over Terrain?

The structure is 316 ft (96.3 m) long with a longest span of 154 ft (46.9 m) and a deck 30 ft wide.

Who owns SR 16 S to Sprague over Terrain?

It is owned by the State Highway Agency.