US Bridges

ST Johns Blvd over SR 500

Good

Clark County, Washington · 1.1 E JCT I-5 · Structure no. 0018079A0000000

Built
2012
13 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
123 ft
1 main span
Daily traffic
18,661
2010 count
Owner
State
State Highway Agency

About this bridge

ST Johns Blvd over SR 500 is a prestressed concrete stringer/multi-beam or girder carrying ST Johns Blvd over SR 500 in Clark County, Washington. It was built in 2012, so it is 13 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 18,661 vehicles a day, roughly 5% of them trucks, projected to reach 31,761 by 2036. The structure is 123 ft (37.5 m) long and 92 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesST Johns Blvd
CrossesSR 500
Location1.1 E JCT I-5
RouteCity Street 0
Coordinates45.64664, -122.64217
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.2 US tons
Inventory rating63.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length123 ft (37.5 m)
Longest span118 ft (36 m)
Deck width92 ft (28 m)
Roadway width78 ft (23.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,661 (2010)
Projected traffic31,761 by 2036
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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$3.7 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was ST Johns Blvd over SR 500 built?

It was built in 2012, making it 13 years old in 2025.

What condition is ST Johns Blvd over SR 500 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 ST Johns Blvd over SR 500 carry?

About 18,661 vehicles per day (2010 count), of which roughly 5% are trucks.

How long is ST Johns Blvd over SR 500?

The structure is 123 ft (37.5 m) long with a longest span of 118 ft (36 m) and a deck 92 ft wide.

Who owns ST Johns Blvd over SR 500?

It is owned by the State Highway Agency.