US Bridges

2050400-1.69 over Perm

Fair

Prince of Wales-Hyder Census Area, Alaska · Staney · Structure no. 100540000001032

Built
1988
37 years old, rebuilt 1992
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
74 ft
1 main span
Daily traffic
10
2006 count
Owner
Federal
U.S. Forest Service

About this bridge

2050400-1.69 over Perm is a wood or timber stringer/multi-beam or girder carrying 2050400-1.69 over Perm in Prince of Wales-Hyder Census Area, Alaska. It was built in 1988 and reconstructed in 1992, so it is 37 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 6 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 10 by 2013. The structure is 74 ft (22.6 m) long and 17 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

Carries2050400-1.69
CrossesPerm
LocationStaney
RouteFederal Lands Road 20504
StateAlaska
Coordinates55.78342, -133.0802
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 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 alignment8: Equal to present desirable criteria
Operating rating67.5 US tons
Inventory rating52.1 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadOther
Structure length74 ft (22.6 m)
Longest span69 ft (21 m)
Deck width17 ft (5.3 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2006)
Projected traffic10 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$184,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 2050400-1.69 over Perm built?

It was built in 1988, making it 37 years old in 2025. It was reconstructed in 1992.

What condition is 2050400-1.69 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 June 2024.

How much traffic does 2050400-1.69 over Perm carry?

About 10 vehicles per day (2006 count).

How long is 2050400-1.69 over Perm?

The structure is 74 ft (22.6 m) long with a longest span of 69 ft (21 m) and a deck 17 ft wide.

Who owns 2050400-1.69 over Perm?

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