US Bridges

FAS Route T242 over Okanogan River

Fair

Okanogan County, Washington · .SENWS14T38NR27E · Structure no. 081687000000000

Built
1961
64 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
339 ft
4 main spans
Daily traffic
894
2023 count
Owner
County
County Highway Agency

About this bridge

FAS Route T242 over Okanogan River is a concrete continuous box beam or girders - multiple carrying FAS Route T242 over Okanogan River in Okanogan County, Washington. It was built in 1961, so it is 64 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 894 vehicles a day, roughly 11% of them trucks, projected to reach 1,200 by 2042. The structure is 339 ft (103.3 m) long and 32 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesFAS Route T242
CrossesOkanogan River
Location.SENWS14T38NR27E
RouteCounty Highway 94460
Coordinates48.79333, -119.405
Functional classRural Major Collector

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating30.3 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length339 ft (103.3 m)
Longest span96 ft (29.3 m)
Deck width32 ft (9.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic894 (2023)
Projected traffic1,200 by 2042
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed14.3 mi (23 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$12.6 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS Route T242 over Okanogan River built?

It was built in 1961, making it 64 years old in 2025.

What condition is FAS Route T242 over Okanogan River 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 September 2024.

How much traffic does FAS Route T242 over Okanogan River carry?

About 894 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is FAS Route T242 over Okanogan River?

The structure is 339 ft (103.3 m) long with a longest span of 96 ft (29.3 m) and a deck 32 ft wide.

Who owns FAS Route T242 over Okanogan River?

It is owned by the County Highway Agency.