US Bridges

SR 507 over Weyerhaeuser RR Vacated

Good

Thurston County, Washington · 15.7 N Lewis CO · Structure no. 0009042A0000000

Built
1971
54 years old
Condition
Good
inspected September 2023
Type
Slab
Concrete Continuous
Length
159 ft
3 main spans
Daily traffic
5,190
2023 count
Owner
State
State Highway Agency

About this bridge

SR 507 over Weyerhaeuser RR Vacated is a concrete continuous slab carrying SR 507 over Weyerhaeuser RR Vacated in Thurston County, Washington. It was built in 1971, so it is 54 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 5,190 vehicles a day, roughly 13% of them trucks, projected to reach 7,370 by 2039. The structure is 159 ft (48.5 m) long and 39 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesSR 507
CrossesWeyerhaeuser RR Vacated
Location15.7 N Lewis CO
RouteState Highway 507
CountyThurston County
StateWashington
Coordinates46.87543, -122.71539
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25 US tons
Inventory rating19.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length159 ft (48.5 m)
Longest span58 ft (17.7 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,190 (2023)
Projected traffic7,370 by 2039
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed6.2 mi (10 km)
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$2.9 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 507 over Weyerhaeuser RR Vacated built?

It was built in 1971, making it 54 years old in 2025.

What condition is SR 507 over Weyerhaeuser RR Vacated 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 2023.

How much traffic does SR 507 over Weyerhaeuser RR Vacated carry?

About 5,190 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is SR 507 over Weyerhaeuser RR Vacated?

The structure is 159 ft (48.5 m) long with a longest span of 58 ft (17.7 m) and a deck 39 ft wide.

Who owns SR 507 over Weyerhaeuser RR Vacated?

It is owned by the State Highway Agency.