US Bridges

SR 14 over SP S RY

Fair

Skamania County, Washington · 37.8 E Clark CO · Structure no. 0002058A0000000

Built
1936
89 years old
Condition
Fair
inspected July 2023
Type
Tee Beam
Concrete Continuous
Length
126 ft
3 main spans
Daily traffic
3,619
2023 count
Owner
State
State Highway Agency

About this bridge

SR 14 over SP S RY is a concrete continuous tee beam carrying SR 14 over SP S RY in Skamania County, Washington. It was built in 1936, so it is 89 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 5 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 3,619 vehicles a day, roughly 12% of them trucks, projected to reach 4,306 by 2039. The structure is 126 ft (38.4 m) long and 31 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesSR 14
CrossesSP S RY
Location37.8 E Clark CO
RouteState Highway 14
CountySkamania County
StateWashington
Coordinates45.72071, -121.60147
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48 US tons
Inventory rating29 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length126 ft (38.4 m)
Longest span54 ft (16.5 m)
Deck width31 ft (9.4 m)
Roadway width24 ft (7.3 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 and pedestrian
CrossesRailroad
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 statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.9 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 14 over SP S RY built?

It was built in 1936, making it 89 years old in 2025.

What condition is SR 14 over SP S RY 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 July 2023.

How much traffic does SR 14 over SP S RY carry?

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

How long is SR 14 over SP S RY?

The structure is 126 ft (38.4 m) long with a longest span of 54 ft (16.5 m) and a deck 31 ft wide.

Who owns SR 14 over SP S RY?

It is owned by the State Highway Agency.