US Bridges

Kiona RD over Kiona Cr.

Fair

Lewis County, Washington · 0.35 SW JCT 75990 · Structure no. 081725000000000

Built
1962
63 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
51 ft
2 main spans
Daily traffic
724
2021 count
Owner
County
County Highway Agency

About this bridge

Kiona RD over Kiona Cr. is a concrete stringer/multi-beam or girder carrying Kiona RD over Kiona Cr. in Lewis County, Washington. It was built in 1962, so it is 63 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 724 vehicles a day, roughly 21% of them trucks, projected to reach 1,308 by 2041. The structure is 51 ft (15.4 m) long and 25 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesKiona RD
CrossesKiona Cr.
Location0.35 SW JCT 75990
RouteCounty Highway 75992
CountyLewis County
StateWashington
Coordinates46.52958, -122.02043
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum 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 rating69 US tons
Inventory rating41 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length51 ft (15.4 m)
Longest span29 ft (8.7 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic724 (2021)
Projected traffic1,308 by 2041
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$696,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Kiona RD over Kiona Cr. built?

It was built in 1962, making it 63 years old in 2025.

What condition is Kiona RD over Kiona Cr. 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 January 2024.

How much traffic does Kiona RD over Kiona Cr. carry?

About 724 vehicles per day (2021 count), of which roughly 21% are trucks.

How long is Kiona RD over Kiona Cr.?

The structure is 51 ft (15.4 m) long with a longest span of 29 ft (8.7 m) and a deck 25 ft wide.

Who owns Kiona RD over Kiona Cr.?

It is owned by the County Highway Agency.