US Bridges

Ferry Landing over Cormorant Passage

Fair

Pierce County, Washington · Ketron Island · Structure no. 086347000000000

Built
1998
27 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
186 ft
1 main span
Daily traffic
10
2024 count
Owner
County
County Highway Agency

About this bridge

Ferry Landing over Cormorant Passage is a prestressed concrete box beam or girders - single or spread carrying Ferry Landing over Cormorant Passage in Pierce County, Washington. It was built in 1998, so it is 27 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 10 vehicles a day, roughly 1% of them trucks, projected to reach 16 by 2045. The structure is 186 ft (56.7 m) long and 16 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesFerry Landing
CrossesCormorant Passage
LocationKetron Island
RouteCounty Highway 10211
CountyPierce County
StateWashington
Coordinates47.16236, -122.6301
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85 US tons
Inventory rating51 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckOther
Main spans1 (+2 approach)
Design loadHS 20
Structure length186 ft (56.7 m)
Longest span96 ft (29.3 m)
Deck width16 ft (4.9 m)
Roadway width13 ft (4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2024)
Projected traffic16 by 2045
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed98.8 mi (159 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 substandard load-carrying capacity or roadway geometry
Estimated improvement cost$11 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Ferry Landing over Cormorant Passage built?

It was built in 1998, making it 27 years old in 2025.

What condition is Ferry Landing over Cormorant Passage 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 Ferry Landing over Cormorant Passage carry?

About 10 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Ferry Landing over Cormorant Passage?

The structure is 186 ft (56.7 m) long with a longest span of 96 ft (29.3 m) and a deck 16 ft wide.

Who owns Ferry Landing over Cormorant Passage?

It is owned by the County Highway Agency.