US Bridges

Irr:marine HWY RTE over False Pass Dock

Fair

Aleutians East Borough, Alaska · False Pass · Structure no. 1945

Built
1992
33 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
490 ft
5 main spans
Daily traffic
10
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Irr:marine HWY RTE over False Pass Dock is a wood or timber stringer/multi-beam or girder carrying Irr:marine HWY RTE over False Pass Dock in Aleutians East Borough, Alaska. It was built in 1992, so it is 33 years old, younger than the Alaska average of 35.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 12 by 2035. The structure is 490 ft (149.4 m) long and 18 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesIrr:marine HWY RTE
CrossesFalse Pass Dock
LocationFalse Pass
RouteCity Street 0
StateAlaska
Coordinates54.86256, -163.41146
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating70.9 US tons
Inventory rating42.1 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans5 (+16 approach)
Design loadHS 20 + Mod
Structure length490 ft (149.4 m)
Longest span30 ft (9.1 m)
Deck width18 ft (5.5 m)
Roadway width16 ft (5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2018)
Projected traffic12 by 2035
Trucks1%
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

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 Irr:marine HWY RTE over False Pass Dock built?

It was built in 1992, making it 33 years old in 2025.

What condition is Irr:marine HWY RTE over False Pass Dock 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 August 2024.

How much traffic does Irr:marine HWY RTE over False Pass Dock carry?

About 10 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Irr:marine HWY RTE over False Pass Dock?

The structure is 490 ft (149.4 m) long with a longest span of 30 ft (9.1 m) and a deck 18 ft wide.

Who owns Irr:marine HWY RTE over False Pass Dock?

It is owned by the City or Municipal Highway Agency.