US Bridges

No Data Entered over Thetis Creek

Good

Kittitas County, Washington · No Data Entered · Structure no. 061703000001541

Built
1983
42 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
59 ft
1 main span
Daily traffic
100
1995 count
Owner
Federal
U.S. Forest Service

About this bridge

No Data Entered over Thetis Creek is a prestressed concrete stringer/multi-beam or girder carrying No Data Entered over Thetis Creek in Kittitas County, Washington. It was built in 1983, so it is 42 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, roughly 5% of them trucks, projected to reach 150 by 2045. The structure is 59 ft (17.9 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNo Data Entered
CrossesThetis Creek
LocationNo Data Entered
RouteFederal Lands Road 49000
Coordinates47.34724, -121.25365
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
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 geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.2 US tons
Inventory rating25.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length59 ft (17.9 m)
Longest span50 ft (15.2 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (1995)
Projected traffic150 by 2045
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was No Data Entered over Thetis Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is No Data Entered over Thetis Creek 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 September 2024.

How much traffic does No Data Entered over Thetis Creek carry?

About 100 vehicles per day (1995 count), of which roughly 5% are trucks.

How long is No Data Entered over Thetis Creek?

The structure is 59 ft (17.9 m) long with a longest span of 50 ft (15.2 m) and a deck 34 ft wide.

Who owns No Data Entered over Thetis Creek?

It is owned by the U.S. Forest Service.