US Bridges

Steele ST over SR 512

Good

Pierce County, Washington · 0.6 E JCT I-5 · Structure no. 000000PB0000000

Built
1975
50 years old
Condition
Good
inspected July 2021
Type
Slab
Concrete Continuous
Length
138 ft
2 main spans
Daily traffic
13,792
2020 count
Owner
State
State Highway Agency

About this bridge

Steele ST over SR 512 is a concrete continuous slab carrying Steele ST over SR 512 in Pierce County, Washington. It was built in 1975, so it is 50 years old, older 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 13,792 vehicles a day, roughly 8% of them trucks, projected to reach 23,498 by 2040. The structure is 138 ft (42.1 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSteele ST
CrossesSR 512
Location0.6 E JCT I-5
RouteCounty Highway 0
Coordinates47.15993, -122.46772
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 inspectionJuly 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating96 US tons
Inventory rating60 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length138 ft (42.1 m)
Longest span68 ft (20.7 m)
Deck width34 ft (10.3 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,792 (2020)
Projected traffic23,498 by 2040
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.7 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Steele ST over SR 512 built?

It was built in 1975, making it 50 years old in 2025.

What condition is Steele ST over SR 512 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 July 2021.

How much traffic does Steele ST over SR 512 carry?

About 13,792 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is Steele ST over SR 512?

The structure is 138 ft (42.1 m) long with a longest span of 68 ft (20.7 m) and a deck 34 ft wide.

Who owns Steele ST over SR 512?

It is owned by the State Highway Agency.