US Bridges

SR 500 over Utility Vault

Good

Clark County, Washington · 14.4 E JCT SR 503 · Structure no. 0004241B0000000

Built
1954
71 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
32 ft
1 main span
Daily traffic
3,589
2023 count
Owner
State
State Highway Agency

About this bridge

SR 500 over Utility Vault is a concrete culvert carrying SR 500 over Utility Vault in Clark County, Washington. It was built in 1954, so it is 71 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 3,589 vehicles a day, roughly 5% of them trucks, projected to reach 6,177 by 2039. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 9.9 mi (16 km).

CarriesSR 500
CrossesUtility Vault
Location14.4 E JCT SR 503
RouteState Highway 500
Coordinates45.58411, -122.39752
Functional classUrban 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
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span32 ft (9.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,589 (2023)
Projected traffic6,177 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed9.9 mi (16 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$426,000 (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 500 over Utility Vault built?

It was built in 1954, making it 71 years old in 2025.

What condition is SR 500 over Utility Vault 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 500 over Utility Vault carry?

About 3,589 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is SR 500 over Utility Vault?

The structure is 32 ft (9.8 m) long with a longest span of 32 ft (9.8 m).

Who owns SR 500 over Utility Vault?

It is owned by the State Highway Agency.