US Bridges

SR 14 over Little White Salmon R

Good

Skamania County, Washington · 35.4 E Clark CO · Structure no. 0014259A0000000

Built
1994
31 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
410 ft
3 main spans
Daily traffic
3,619
2023 count
Owner
State
State Highway Agency

About this bridge

SR 14 over Little White Salmon R is a steel continuous stringer/multi-beam or girder carrying SR 14 over Little White Salmon R in Skamania County, Washington. It was built in 1994, so it is 31 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 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 3,619 vehicles a day, roughly 12% of them trucks, projected to reach 4,306 by 2039. The structure is 410 ft (125 m) long and 39 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesSR 14
CrossesLittle White Salmon R
Location35.4 E Clark CO
RouteState Highway 14
Coordinates45.71146, -121.64914
Functional classRural Principal Arterial - Other

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 protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating67 US tons
Inventory rating40 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length410 ft (125 m)
Longest span190 ft (57.9 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,619 (2023)
Projected traffic4,306 by 2039
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$7.4 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 14 over Little White Salmon R built?

It was built in 1994, making it 31 years old in 2025.

What condition is SR 14 over Little White Salmon R 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 2023.

How much traffic does SR 14 over Little White Salmon R carry?

About 3,619 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is SR 14 over Little White Salmon R?

The structure is 410 ft (125 m) long with a longest span of 190 ft (57.9 m) and a deck 39 ft wide.

Who owns SR 14 over Little White Salmon R?

It is owned by the State Highway Agency.