US Bridges

No Data Entered over Swift Creek

Poor

Skamania County, Washington · About 4 Miles East of Cow · Structure no. 060301000000117

Built
1957
68 years old
Condition
Poor
inspected August 2023
Type
Truss - Deck
Steel Continuous
Length
441 ft
1 main span
Daily traffic
650
1992 count
Owner
Federal
U.S. Forest Service

About this bridge

No Data Entered over Swift Creek is a steel continuous truss - deck carrying No Data Entered over Swift Creek in Skamania County, Washington. It was built in 1957, so it is 68 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 650 vehicles a day, roughly 15% of them trucks, projected to reach 975 by 2045. The structure is 441 ft (134.5 m) long and 29 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

Location

Open in Google Maps
CarriesNo Data Entered
CrossesSwift Creek
LocationAbout 4 Miles East of Cow
RouteFederal Lands Road 90000
CountySkamania County
StateWashington
Coordinates46.08609, -122.20189
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating53 US tons
Inventory rating31 US tons

Structure

Structure typeTruss - Deck
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1 (+6 approach)
Design loadHS 20
Structure length441 ft (134.5 m)
Longest span96 ft (29.4 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic650 (1992)
Projected traffic975 by 2045
Trucks15%
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 Swift Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is No Data Entered over Swift Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2023.

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

About 650 vehicles per day (1992 count), of which roughly 15% are trucks.

How long is No Data Entered over Swift Creek?

The structure is 441 ft (134.5 m) long with a longest span of 96 ft (29.4 m) and a deck 29 ft wide.

Who owns No Data Entered over Swift Creek?

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