US Bridges

SR 507 over Lacamas Creek

Good

Pierce County, Washington · 5.3 N JCT SR 702 · Structure no. 0018867A0000000

Built
2016
9 years old
Condition
Good
inspected November 2022
Type
Slab
Concrete
Length
28 ft
1 main span
Daily traffic
11,031
2023 count
Owner
State
State Highway Agency

About this bridge

SR 507 over Lacamas Creek is a concrete slab carrying SR 507 over Lacamas Creek in Pierce County, Washington. It was built in 2016, so it is 9 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 11,031 vehicles a day, roughly 7% of them trucks, projected to reach 16,206 by 2039. The structure is 28 ft (8.5 m) long and 45 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSR 507
CrossesLacamas Creek
Location5.3 N JCT SR 702
RouteState Highway 507
CountyPierce County
StateWashington
Coordinates47.00558, -122.53167
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.2 US tons
Inventory rating42.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length28 ft (8.5 m)
Longest span26 ft (7.9 m)
Deck width45 ft (13.7 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,031 (2023)
Projected traffic16,206 by 2039
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.4 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 507 over Lacamas Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is SR 507 over Lacamas Creek 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 November 2022.

How much traffic does SR 507 over Lacamas Creek carry?

About 11,031 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is SR 507 over Lacamas Creek?

The structure is 28 ft (8.5 m) long with a longest span of 26 ft (7.9 m) and a deck 45 ft wide.

Who owns SR 507 over Lacamas Creek?

It is owned by the State Highway Agency.