US Bridges

I-5 Frontage RD over Mcloughlin Blvd

Fair

Clark County, Washington · 0.9 N JCT SR 14 · Structure no. 0011193H0000000

Built
1979
46 years old
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
165 ft
3 main spans
Daily traffic
6,976
2023 count
Owner
State
State Highway Agency

About this bridge

I-5 Frontage RD over Mcloughlin Blvd is a concrete continuous box beam or girders - multiple carrying I-5 Frontage RD over Mcloughlin Blvd in Clark County, Washington. It was built in 1979, so it is 46 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 6,976 vehicles a day, roughly 12% of them trucks, projected to reach 10,935 by 2039. The structure is 165 ft (50.3 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-5 Frontage RD
CrossesMcloughlin Blvd
Location0.9 N JCT SR 14
RouteInterstate 5
Coordinates45.63425, -122.66275
Functional classUrban Principal Arterial - Interstate

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 inspectionApril 2024
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 rating53.9 US tons
Inventory rating41.8 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length165 ft (50.3 m)
Longest span87 ft (26.5 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,976 (2023)
Projected traffic10,935 by 2039
Trucks12%
Lanes on structure1
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$3 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-5 Frontage RD over Mcloughlin Blvd built?

It was built in 1979, making it 46 years old in 2025.

What condition is I-5 Frontage RD over Mcloughlin Blvd 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 April 2024.

How much traffic does I-5 Frontage RD over Mcloughlin Blvd carry?

About 6,976 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is I-5 Frontage RD over Mcloughlin Blvd?

The structure is 165 ft (50.3 m) long with a longest span of 87 ft (26.5 m) and a deck 39 ft wide.

Who owns I-5 Frontage RD over Mcloughlin Blvd?

It is owned by the State Highway Agency.