US Bridges

Amberjack Avenue over Cattail Lake Dam

Good

Kitsap County, Washington · .32KM SE of N Boundry RD · Structure no. 1WA7811

Built
2012
13 years old
Condition
Good
inspected August 2024
Type
Tee Beam
Prestressed Concrete
Length
101 ft
1 main span
Daily traffic
20
2014 count
Owner
Federal
Navy / Marines

About this bridge

Amberjack Avenue over Cattail Lake Dam is a prestressed concrete tee beam carrying Amberjack Avenue over Cattail Lake Dam in Kitsap County, Washington. It was built in 2012, so it is 13 years old, younger 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 20 vehicles a day, projected to reach 25 by 2043. The structure is 101 ft (30.8 m) long and 35 ft wide. If it were closed, the detour would be 4.3 mi (7 km).

CarriesAmberjack Avenue
CrossesCattail Lake Dam
Location.32KM SE of N Boundry RD
Coordinates47.76928, -122.70792
Functional classRural Local

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 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50 US tons
Inventory rating38.3 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length101 ft (30.8 m)
Longest span95 ft (29 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2014)
Projected traffic25 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed4.3 mi (7 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerNavy / Marines
Maintained byNavy / Marines
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$5,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Amberjack Avenue over Cattail Lake Dam built?

It was built in 2012, making it 13 years old in 2025.

What condition is Amberjack Avenue over Cattail Lake Dam 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 Amberjack Avenue over Cattail Lake Dam carry?

About 20 vehicles per day (2014 count).

How long is Amberjack Avenue over Cattail Lake Dam?

The structure is 101 ft (30.8 m) long with a longest span of 95 ft (29 m) and a deck 35 ft wide.

Who owns Amberjack Avenue over Cattail Lake Dam?

It is owned by the Navy / Marines.