US Bridges

Marine HWY Route over Sand Point City Dock II

Good

Aleutians East Borough, Alaska · Sand Point · Structure no. 2362

Built
2019
6 years old
Condition
Good
inspected August 2024
Type
Slab
Prestressed Concrete
Length
72 ft
4 main spans
Daily traffic
100
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Marine HWY Route over Sand Point City Dock II is a prestressed concrete slab carrying Marine HWY Route over Sand Point City Dock II in Aleutians East Borough, Alaska. It was built in 2019, so it is 6 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 100 vehicles a day, roughly 8% of them trucks, projected to reach 120 by 2035. The structure is 72 ft (22 m) long and 222 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesMarine HWY Route
CrossesSand Point City Dock II
LocationSand Point
StateAlaska
Coordinates55.33111, -160.50528
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.1 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadHL 93
Structure length72 ft (22 m)
Longest span22 ft (6.7 m)
Deck width222 ft (67.7 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2018)
Projected traffic120 by 2035
Trucks8%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a toll road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Sand Point City Dock II built?

It was built in 2019, making it 6 years old in 2025.

What condition is Marine HWY Route over Sand Point City Dock II 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 Marine HWY Route over Sand Point City Dock II carry?

About 100 vehicles per day (2018 count), of which roughly 8% are trucks.

How long is Marine HWY Route over Sand Point City Dock II?

The structure is 72 ft (22 m) long with a longest span of 22 ft (6.7 m) and a deck 222 ft wide.

Who owns Marine HWY Route over Sand Point City Dock II?

It is owned by the City or Municipal Highway Agency.