US Bridges

Irr:marine HWY RTE over Annette Bay Ferry Term

Good

Prince of Wales-Hyder Census Area, Alaska · Metlakatla · Structure no. 0194

Built
2012
13 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
138 ft
1 main span
Daily traffic
120
2020 count
Owner
State
State Highway Agency

About this bridge

Irr:marine HWY RTE over Annette Bay Ferry Term is a steel stringer/multi-beam or girder carrying Irr:marine HWY RTE over Annette Bay Ferry Term in Prince of Wales-Hyder Census Area, Alaska. It was built in 2012, so it is 13 years old, younger than the Alaska average of 35.9 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 120 vehicles a day, roughly 4% of them trucks, projected to reach 410 by 2039. The structure is 138 ft (42.1 m) long and 18 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesIrr:marine HWY RTE
CrossesAnnette Bay Ferry Term
LocationMetlakatla
RouteState Highway 0
CountyPrince of Wales-Hyder Census Area
StateAlaska
Coordinates55.26674, -131.56007
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating89.8 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckOpen grating
Main spans1
Design loadHL 93
Structure length138 ft (42.1 m)
Longest span132 ft (40.2 m)
Deck width18 ft (5.5 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2020)
Projected traffic410 by 2039
Trucks4%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a toll 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Irr:marine HWY RTE over Annette Bay Ferry Term built?

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

What condition is Irr:marine HWY RTE over Annette Bay Ferry Term 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 April 2023.

How much traffic does Irr:marine HWY RTE over Annette Bay Ferry Term carry?

About 120 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Irr:marine HWY RTE over Annette Bay Ferry Term?

The structure is 138 ft (42.1 m) long with a longest span of 132 ft (40.2 m) and a deck 18 ft wide.

Who owns Irr:marine HWY RTE over Annette Bay Ferry Term?

It is owned by the State Highway Agency.