US Bridges

Olympia Street over Kid Canal

FairPosted for load

Benton County, Washington · 00.20 S 45th Avenue · Structure no. 083198000000000

Built
1964
61 years old, rebuilt 2014
Condition
Fair
inspected November 2024
Type
Tee Beam
Prestressed Concrete
Length
32 ft
1 main span
Daily traffic
2,852
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Olympia Street over Kid Canal is a prestressed concrete tee beam carrying Olympia Street over Kid Canal in Benton County, Washington. It was built in 1964 and reconstructed in 2014, so it is 61 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. Its operating status is: posted for load restriction.

It carries about 2,852 vehicles a day, roughly 15% of them trucks, projected to reach 4,563 by 2041. The structure is 32 ft (9.8 m) long and 58 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesOlympia Street
CrossesKid Canal
Location00.20 S 45th Avenue
RouteCity Street 610
Coordinates46.16467, -119.13716
Functional classUrban Minor Arterial

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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.9 US tons
Inventory rating29.3 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span31 ft (9.4 m)
Deck width58 ft (17.8 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,852 (2021)
Projected traffic4,563 by 2041
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.5 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Olympia Street over Kid Canal built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2014.

What condition is Olympia Street over Kid Canal 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 November 2024.

How much traffic does Olympia Street over Kid Canal carry?

About 2,852 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is Olympia Street over Kid Canal?

The structure is 32 ft (9.8 m) long with a longest span of 31 ft (9.4 m) and a deck 58 ft wide.

Who owns Olympia Street over Kid Canal?

It is owned by the City or Municipal Highway Agency.