US Bridges

Francis Road over Slough No Name

Fair

Skagit County, Washington · 2.0 W JCT SR9 · Structure no. 080042000000000

Built
1958
67 years old
Condition
Fair
inspected August 2024
Type
Tee Beam
Concrete
Length
50 ft
2 main spans
Daily traffic
4,694
2021 count
Owner
County
County Highway Agency

About this bridge

Francis Road over Slough No Name is a concrete tee beam carrying Francis Road over Slough No Name in Skagit County, Washington. It was built in 1958, so it is 67 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 4,694 vehicles a day, roughly 4% of them trucks, projected to reach 8,478 by 2041. The structure is 50 ft (15.2 m) long and 26 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesFrancis Road
CrossesSlough No Name
Location2.0 W JCT SR9
RouteCounty Highway 79000
Coordinates48.46795, -122.278
Functional classRural Major 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span25 ft (7.5 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,694 (2021)
Projected traffic8,478 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of relocation of road
Estimated improvement cost$2.2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Francis Road over Slough No Name built?

It was built in 1958, making it 67 years old in 2025.

What condition is Francis Road over Slough No Name 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 August 2024.

How much traffic does Francis Road over Slough No Name carry?

About 4,694 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Francis Road over Slough No Name?

The structure is 50 ft (15.2 m) long with a longest span of 25 ft (7.5 m) and a deck 26 ft wide.

Who owns Francis Road over Slough No Name?

It is owned by the County Highway Agency.