US Bridges

Road over N. Fork Teanaway River

Good

Kittitas County, Washington · No Data Entered · Structure no. 061703000001407

Built
1966
59 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
52 ft
1 main span
Daily traffic
2
1995 count
Owner
Federal
U.S. Forest Service

About this bridge

Road over N. Fork Teanaway River is a wood or timber stringer/multi-beam or girder carrying Road over N. Fork Teanaway River in Kittitas County, Washington. It was built in 1966, so it is 59 years old, older 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 2 vehicles a day, projected to reach 3 by 2045. The structure is 52 ft (16 m) long and 16 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

CarriesRoad
CrossesN. Fork Teanaway River
LocationNo Data Entered
RouteFederal Lands Road 97371
Coordinates47.36088, -120.85771
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 protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating25.7 US tons
Inventory rating20 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length52 ft (16 m)
Longest span51 ft (15.5 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2 (1995)
Projected traffic3 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.2 mi (158 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 Road over N. Fork Teanaway River built?

It was built in 1966, making it 59 years old in 2025.

What condition is Road over N. Fork Teanaway River 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 May 2024.

How much traffic does Road over N. Fork Teanaway River carry?

About 2 vehicles per day (1995 count).

How long is Road over N. Fork Teanaway River?

The structure is 52 ft (16 m) long with a longest span of 51 ft (15.5 m) and a deck 16 ft wide.

Who owns Road over N. Fork Teanaway River?

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