US Bridges

SR 500 over I-205

Fair

Clark County, Washington · 4.8 E JCT I-5 · Structure no. 0009214B0000000

Built
1973
52 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
408 ft
2 main spans
Daily traffic
36,179
2023 count
Owner
State
State Highway Agency

About this bridge

SR 500 over I-205 is a prestressed concrete continuous box beam or girders - multiple carrying SR 500 over I-205 in Clark County, Washington. It was built in 1973, so it is 52 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 36,179 vehicles a day, roughly 4% of them trucks, projected to reach 53,153 by 2039. The structure is 408 ft (124.5 m) long and 121 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR 500
CrossesI-205
Location4.8 E JCT I-5
RouteState Highway 500
CountyClark County
StateWashington
Coordinates45.65656, -122.5715
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating33 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20 + Mod
Structure length408 ft (124.5 m)
Longest span144 ft (43.9 m)
Deck width121 ft (36.8 m)
Roadway width112 ft (34.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,179 (2023)
Projected traffic53,153 by 2039
Trucks4%
Lanes on structure7
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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$22.5 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 500 over I-205 built?

It was built in 1973, making it 52 years old in 2025.

What condition is SR 500 over I-205 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

How much traffic does SR 500 over I-205 carry?

About 36,179 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is SR 500 over I-205?

The structure is 408 ft (124.5 m) long with a longest span of 144 ft (43.9 m) and a deck 121 ft wide.

Who owns SR 500 over I-205?

It is owned by the State Highway Agency.