US Bridges

SR 14 over I-5

Fair

Clark County, Washington · JCT I-5 · Structure no. 0012156E0000000

Built
1983
42 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
228 ft
2 main spans
Daily traffic
7,697
2023 count
Owner
State
State Highway Agency

About this bridge

SR 14 over I-5 is a prestressed concrete continuous box beam or girders - multiple carrying SR 14 over I-5 in Clark County, Washington. It was built in 1983, so it is 42 years old, younger 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 7,697 vehicles a day, roughly 5% of them trucks, projected to reach 12,218 by 2039. The structure is 228 ft (69.5 m) long and 63 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 14
CrossesI-5
LocationJCT I-5
RouteState Highway 14
Coordinates45.62352, -122.67185
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length228 ft (69.5 m)
Longest span112 ft (34 m)
Deck width63 ft (19.2 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,697 (2023)
Projected traffic12,218 by 2039
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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$6.7 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 14 over I-5 built?

It was built in 1983, making it 42 years old in 2025.

What condition is SR 14 over I-5 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 SR 14 over I-5 carry?

About 7,697 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is SR 14 over I-5?

The structure is 228 ft (69.5 m) long with a longest span of 112 ft (34 m) and a deck 63 ft wide.

Who owns SR 14 over I-5?

It is owned by the State Highway Agency.