US Bridges

School Bus Route over SR 512

Good

Pierce County, Washington · 1.3 E JCT SR 7 · Structure no. 0007769C0000000

Built
1966
59 years old
Condition
Good
inspected September 2024
Type
Slab
Concrete Continuous
Length
226 ft
4 main spans
Daily traffic
50
2022 count
Owner
State
State Highway Agency

About this bridge

School Bus Route over SR 512 is a concrete continuous slab carrying School Bus Route over SR 512 in Pierce County, Washington. It was built in 1966, so it is 59 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 50 vehicles a day, roughly 90% of them trucks, projected to reach 65 by 2042. The structure is 226 ft (68.9 m) long and 17 ft wide.

CarriesSchool Bus Route
CrossesSR 512
Location1.3 E JCT SR 7
RouteCounty Highway 0
Coordinates47.15874, -122.40693
Functional classUrban Local

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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating30.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadPedestrian
Structure length226 ft (68.9 m)
Longest span67 ft (20.4 m)
Deck width17 ft (5.1 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic65 by 2042
Trucks90%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

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$2.1 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was School Bus Route over SR 512 built?

It was built in 1966, making it 59 years old in 2025.

What condition is School Bus Route 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 September 2024.

How much traffic does School Bus Route over SR 512 carry?

About 50 vehicles per day (2022 count), of which roughly 90% are trucks.

How long is School Bus Route over SR 512?

The structure is 226 ft (68.9 m) long with a longest span of 67 ft (20.4 m) and a deck 17 ft wide.

Who owns School Bus Route over SR 512?

It is owned by the State Highway Agency.