US Bridges

Harrington-Tokio over Drainage

Good

Lincoln County, Washington · 2.5 S JCT SR 23 · Structure no. 086366000000000

Built
1997
28 years old
Condition
Good
inspected January 2024
Type
Culvert
Steel
Length
21 ft
2 main spans
Daily traffic
377
2020 count
Owner
County
County Highway Agency

About this bridge

Harrington-Tokio over Drainage is a steel culvert carrying Harrington-Tokio over Drainage in Lincoln County, Washington. It was built in 1997, so it is 28 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 377 vehicles a day, roughly 40% of them trucks, projected to reach 404 by 2044. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesHarrington-Tokio
CrossesDrainage
Location2.5 S JCT SR 23
RouteCounty Highway 93250
Coordinates47.44225, -118.25017
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating106.8 US tons
Inventory rating106.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length21 ft (6.4 m)
Longest span5 ft (1.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic377 (2020)
Projected traffic404 by 2044
Trucks40%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Harrington-Tokio over Drainage built?

It was built in 1997, making it 28 years old in 2025.

What condition is Harrington-Tokio over Drainage 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 January 2024.

How much traffic does Harrington-Tokio over Drainage carry?

About 377 vehicles per day (2020 count), of which roughly 40% are trucks.

How long is Harrington-Tokio over Drainage?

The structure is 21 ft (6.4 m) long with a longest span of 5 ft (1.5 m).

Who owns Harrington-Tokio over Drainage?

It is owned by the County Highway Agency.