US Bridges

Rainy Creek over Nason Creek

Good

Chelan County, Washington · No Data Entered · Structure no. 061706000001440

Built
1996
29 years old
Condition
Good
inspected July 2021
Type
Slab
Prestressed Concrete
Length
61 ft
1 main span
Daily traffic
25
1996 count
Owner
Federal
U.S. Forest Service

About this bridge

Rainy Creek over Nason Creek is a prestressed concrete slab carrying Rainy Creek over Nason Creek in Chelan County, Washington. It was built in 1996, so it is 29 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 25 vehicles a day, projected to reach 37 by 2045. The structure is 61 ft (18.6 m) long and 16 ft wide. If it were closed, the detour would be 44.7 mi (72 km).

CarriesRainy Creek
CrossesNason Creek
LocationNo Data Entered
RouteFederal Lands Road 67000
Coordinates47.78405, -121.04046
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating93 US tons
Inventory rating53 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length61 ft (18.6 m)
Longest span60 ft (18.3 m)
Deck width16 ft (5 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (1996)
Projected traffic37 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed44.7 mi (72 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 Rainy Creek over Nason Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is Rainy Creek over Nason 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 July 2021.

How much traffic does Rainy Creek over Nason Creek carry?

About 25 vehicles per day (1996 count).

How long is Rainy Creek over Nason Creek?

The structure is 61 ft (18.6 m) long with a longest span of 60 ft (18.3 m) and a deck 16 ft wide.

Who owns Rainy Creek over Nason Creek?

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