US Bridges

2000648-0.43 over Perm

Fair

Prince of Wales-Hyder Census Area, Alaska · Naukati · Structure no. 100540000001015

Built
1984
41 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
60 ft
1 main span
Daily traffic
10
2018 count
Owner
Federal
U.S. Forest Service

About this bridge

2000648-0.43 over Perm is a steel stringer/multi-beam or girder carrying 2000648-0.43 over Perm in Prince of Wales-Hyder Census Area, Alaska. It was built in 1984, so it is 41 years old, older 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, projected to reach 5 by 2013. The structure is 60 ft (18.3 m) long and 18 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

Location

Open in Google Maps
Carries2000648-0.43
CrossesPerm
LocationNaukati
RouteFederal Lands Road 20006
CountyPrince of Wales-Hyder Census Area
StateAlaska
Coordinates55.92088, -133.19662
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating65 US tons
Inventory rating50 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, precast panels
Main spans1
Design loadOther
Structure length60 ft (18.3 m)
Longest span57 ft (17.4 m)
Deck width18 ft (5.4 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2018)
Projected traffic5 by 2013
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.2 mi (158 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$194,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 2000648-0.43 over Perm built?

It was built in 1984, making it 41 years old in 2025.

What condition is 2000648-0.43 over Perm 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 September 2024.

How much traffic does 2000648-0.43 over Perm carry?

About 10 vehicles per day (2018 count).

How long is 2000648-0.43 over Perm?

The structure is 60 ft (18.3 m) long with a longest span of 57 ft (17.4 m) and a deck 18 ft wide.

Who owns 2000648-0.43 over Perm?

It is owned by the U.S. Forest Service.