US Bridges

SW 6th Ave over SR 14

Fair

Clark County, Washington · 6.3 E JCT I-205 · Structure no. 0007595B0000000

Built
1965
60 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
235 ft
4 main spans
Daily traffic
1,297
2012 count
Owner
State
State Highway Agency

About this bridge

SW 6th Ave over SR 14 is a prestressed concrete stringer/multi-beam or girder carrying SW 6th Ave over SR 14 in Clark County, Washington. It was built in 1965, so it is 60 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 1,297 vehicles a day, roughly 5% of them trucks, projected to reach 2,044 by 2036. The structure is 235 ft (71.6 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSW 6th Ave
CrossesSR 14
Location6.3 E JCT I-205
RouteCity Street 0
CountyClark County
StateWashington
Coordinates45.58039, -122.42853
Functional classUrban Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating39 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length235 ft (71.6 m)
Longest span72 ft (21.9 m)
Deck width33 ft (10.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,297 (2012)
Projected traffic2,044 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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$3.6 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SW 6th Ave over SR 14 built?

It was built in 1965, making it 60 years old in 2025.

What condition is SW 6th Ave over SR 14 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 May 2024.

How much traffic does SW 6th Ave over SR 14 carry?

About 1,297 vehicles per day (2012 count), of which roughly 5% are trucks.

How long is SW 6th Ave over SR 14?

The structure is 235 ft (71.6 m) long with a longest span of 72 ft (21.9 m) and a deck 33 ft wide.

Who owns SW 6th Ave over SR 14?

It is owned by the State Highway Agency.