US Bridges

Tommy Creek over Entiat River

Good

Chelan County, Washington · No Data Entered · Structure no. 061705000001457

Built
1972
53 years old
Condition
Good
inspected May 2021
Type
Frame
Concrete Continuous
Length
120 ft
3 main spans
Daily traffic
100
1995 count
Owner
Federal
U.S. Forest Service

About this bridge

Tommy Creek over Entiat River is a concrete continuous frame carrying Tommy Creek over Entiat River in Chelan County, Washington. It was built in 1972, so it is 53 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 150 by 2045. The structure is 120 ft (36.6 m) long and 18 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

CarriesTommy Creek
CrossesEntiat River
LocationNo Data Entered
RouteFederal Lands Road 56050
Coordinates47.96423, -120.55112
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating38 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length120 ft (36.6 m)
Longest span80 ft (24.4 m)
Deck width18 ft (5.6 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (1995)
Projected traffic150 by 2045
Trucks10%
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 Tommy Creek over Entiat River built?

It was built in 1972, making it 53 years old in 2025.

What condition is Tommy Creek over Entiat 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 2021.

How much traffic does Tommy Creek over Entiat River carry?

About 100 vehicles per day (1995 count), of which roughly 10% are trucks.

How long is Tommy Creek over Entiat River?

The structure is 120 ft (36.6 m) long with a longest span of 80 ft (24.4 m) and a deck 18 ft wide.

Who owns Tommy Creek over Entiat River?

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