US Bridges

2058000-4.13 over Perm

Good

Prince of Wales-Hyder Census Area, Alaska · Naukati · Structure no. 100540000001041

Built
1984
41 years old, rebuilt 1992
Condition
Good
inspected June 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
61 ft
1 main span
Daily traffic
20
2006 count
Owner
Federal
U.S. Forest Service

About this bridge

2058000-4.13 over Perm is a steel stringer/multi-beam or girder carrying 2058000-4.13 over Perm in Prince of Wales-Hyder Census Area, Alaska. It was built in 1984 and reconstructed in 1992, 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 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 20 vehicles a day, projected to reach 5 by 2013. The structure is 61 ft (18.6 m) long and 18 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

Carries2058000-4.13
CrossesPerm
LocationNaukati
RouteFederal Lands Road 20580
StateAlaska
Coordinates55.85448, -133.1321
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 alignment6: Equal to present minimum criteria
Operating rating65 US tons
Inventory rating50 US tons

Structure

MaterialSteel
DeckConcrete, precast panels
Main spans1
Design loadOther
Structure length61 ft (18.6 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 traffic20 (2006)
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$164,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 2058000-4.13 over Perm built?

It was built in 1984, making it 41 years old in 2025. It was reconstructed in 1992.

What condition is 2058000-4.13 over Perm 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 June 2022.

How much traffic does 2058000-4.13 over Perm carry?

About 20 vehicles per day (2006 count).

How long is 2058000-4.13 over Perm?

The structure is 61 ft (18.6 m) long with a longest span of 57 ft (17.4 m) and a deck 18 ft wide.

Who owns 2058000-4.13 over Perm?

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