US Bridges

Marine HWY Route over Clark Bay Ferry Terminal

Good

Prince of Wales-Hyder Census Area, Alaska · Hollis · Structure no. 0182

Built
2015
10 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
132 ft
1 main span
Daily traffic
236
2018 count
Owner
State
State Highway Agency

About this bridge

Marine HWY Route over Clark Bay Ferry Terminal is a steel stringer/multi-beam or girder carrying Marine HWY Route over Clark Bay Ferry Terminal in Prince of Wales-Hyder Census Area, Alaska. It was built in 2015, so it is 10 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 236 vehicles a day, roughly 30% of them trucks, projected to reach 250 by 2035. The structure is 132 ft (40.1 m) long and 19 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesMarine HWY Route
CrossesClark Bay Ferry Terminal
LocationHollis
RouteState Highway 924
CountyPrince of Wales-Hyder Census Area
StateAlaska
Coordinates55.49067, -132.62231
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating78.2 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckOpen grating
Main spans1
Design loadHL 93
Structure length132 ft (40.1 m)
Longest span130 ft (39.6 m)
Deck width19 ft (5.7 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic236 (2018)
Projected traffic250 by 2035
Trucks30%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
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 Marine HWY Route over Clark Bay Ferry Terminal built?

It was built in 2015, making it 10 years old in 2025.

What condition is Marine HWY Route over Clark Bay Ferry Terminal 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 May 2023.

How much traffic does Marine HWY Route over Clark Bay Ferry Terminal carry?

About 236 vehicles per day (2018 count), of which roughly 30% are trucks.

How long is Marine HWY Route over Clark Bay Ferry Terminal?

The structure is 132 ft (40.1 m) long with a longest span of 130 ft (39.6 m) and a deck 19 ft wide.

Who owns Marine HWY Route over Clark Bay Ferry Terminal?

It is owned by the State Highway Agency.