US Bridges

S Laventure RD over Maddox CR

Fair

Skagit County, Washington · 0.5 E JCT I-5 · Structure no. 088562000000000

Built
2013
12 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
80 ft
1 main span
Daily traffic
8,284
2021 count
Owner
County
County Highway Agency

About this bridge

S Laventure RD over Maddox CR is a prestressed concrete stringer/multi-beam or girder carrying S Laventure RD over Maddox CR in Skagit County, Washington. It was built in 2013, so it is 12 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 8,284 vehicles a day, roughly 5% of them trucks, projected to reach 14,961 by 2041. The structure is 80 ft (24.4 m) long and 65 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesS Laventure RD
CrossesMaddox CR
Location0.5 E JCT I-5
RouteCounty Highway 71500
CountySkagit County
StateWashington
Coordinates48.39949, -122.32296
Functional classUrban Other Principal Arterial

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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.1 US tons
Inventory rating44.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length80 ft (24.4 m)
Longest span74 ft (22.7 m)
Deck width65 ft (19.7 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,284 (2021)
Projected traffic14,961 by 2041
Trucks5%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S Laventure RD over Maddox CR built?

It was built in 2013, making it 12 years old in 2025.

What condition is S Laventure RD over Maddox CR 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 S Laventure RD over Maddox CR carry?

About 8,284 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is S Laventure RD over Maddox CR?

The structure is 80 ft (24.4 m) long with a longest span of 74 ft (22.7 m) and a deck 65 ft wide.

Who owns S Laventure RD over Maddox CR?

It is owned by the County Highway Agency.