US Bridges

No Data Entered over Twin Falls Creek

Fair

Skamania County, Washington · 1.4 Mile North of Trout L · Structure no. 060303000000017

Built
1964
61 years old
Condition
Fair
inspected October 2023
Type
Frame
Concrete Continuous
Length
75 ft
3 main spans
Daily traffic
179
1992 count
Owner
Federal
U.S. Forest Service

About this bridge

No Data Entered over Twin Falls Creek is a concrete continuous frame carrying No Data Entered over Twin Falls Creek in Skamania County, Washington. It was built in 1964, so it is 61 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 179 vehicles a day, roughly 10% of them trucks, projected to reach 268 by 2045. The structure is 75 ft (22.9 m) long and 29 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

CarriesNo Data Entered
CrossesTwin Falls Creek
Location1.4 Mile North of Trout L
RouteFederal Lands Road 23000
Coordinates46.21119, -121.63138
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.1 US tons
Inventory rating44.1 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length75 ft (22.9 m)
Longest span50 ft (15.2 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic179 (1992)
Projected traffic268 by 2045
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed620.7 mi (999 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 Twin Falls Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is No Data Entered over Twin Falls 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 October 2023.

How much traffic does No Data Entered over Twin Falls Creek carry?

About 179 vehicles per day (1992 count), of which roughly 10% are trucks.

How long is No Data Entered over Twin Falls Creek?

The structure is 75 ft (22.9 m) long with a longest span of 50 ft (15.2 m) and a deck 29 ft wide.

Who owns No Data Entered over Twin Falls Creek?

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