US Bridges

FAS Route L242 over Goat Creek

Fair

Okanogan County, Washington · 1.5 MI SE Mazama · Structure no. 084393000000000

Built
1971
54 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
338
2022 count
Owner
County
County Highway Agency

About this bridge

FAS Route L242 over Goat Creek is a prestressed concrete stringer/multi-beam or girder carrying FAS Route L242 over Goat Creek in Okanogan County, Washington. It was built in 1971, so it is 54 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 338 vehicles a day, roughly 8% of them trucks, projected to reach 450 by 2042. The structure is 30 ft (9.1 m) long and 24 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesFAS Route L242
CrossesGoat Creek
Location1.5 MI SE Mazama
RouteCounty Highway 11630
Coordinates48.58118, -120.37945
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
Deck7 GoodSome minor problems.
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 above top of footing
Structural evaluation6: Equal to 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 rating55 US tons
Inventory rating32.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span29 ft (8.9 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic338 (2022)
Projected traffic450 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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$1.4 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS Route L242 over Goat Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is FAS Route L242 over Goat Creek 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 L242 over Goat Creek carry?

About 338 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is FAS Route L242 over Goat Creek?

The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.9 m) and a deck 24 ft wide.

Who owns FAS Route L242 over Goat Creek?

It is owned by the County Highway Agency.