US Bridges

SR 9 over E Fk Nookachamps CR

Good

Skagit County, Washington · 1.4 N JCT SR 538 · Structure no. 0009055A0000000

Built
1971
54 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
143 ft
3 main spans
Daily traffic
6,465
2023 count
Owner
State
State Highway Agency

About this bridge

SR 9 over E Fk Nookachamps CR is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 9 over E Fk Nookachamps CR in Skagit County, Washington. It was built in 1971, so it is 54 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,465 vehicles a day, roughly 4% of them trucks, projected to reach 11,118 by 2039. The structure is 143 ft (43.6 m) long and 36 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesSR 9
CrossesE Fk Nookachamps CR
Location1.4 N JCT SR 538
RouteState Highway 9
Coordinates48.44583, -122.25278
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating40 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length143 ft (43.6 m)
Longest span75 ft (22.9 m)
Deck width36 ft (10.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,465 (2023)
Projected traffic11,118 by 2039
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$2.3 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 9 over E Fk Nookachamps CR built?

It was built in 1971, making it 54 years old in 2025.

What condition is SR 9 over E Fk Nookachamps CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does SR 9 over E Fk Nookachamps CR carry?

About 6,465 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is SR 9 over E Fk Nookachamps CR?

The structure is 143 ft (43.6 m) long with a longest span of 75 ft (22.9 m) and a deck 36 ft wide.

Who owns SR 9 over E Fk Nookachamps CR?

It is owned by the State Highway Agency.