US Bridges

2030000-0.31 over Perm

Fair

Prince of Wales-Hyder Census Area, Alaska · Control Lake · Structure no. 100540000001019

Built
2000
25 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
72 ft
1 main span
Daily traffic
10
2006 count
Owner
Federal
U.S. Forest Service

About this bridge

2030000-0.31 over Perm is a wood or timber stringer/multi-beam or girder carrying 2030000-0.31 over Perm in Prince of Wales-Hyder Census Area, Alaska. It was built in 2000, so it is 25 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 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 15 by 2045. The structure is 72 ft (21.9 m) long and 16 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

Carries2030000-0.31
CrossesPerm
LocationControl Lake
RouteFederal Lands Road 20300
StateAlaska
Coordinates55.65848, -132.90219
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 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 alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating59.6 US tons
Inventory rating46.1 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadOther
Structure length72 ft (21.9 m)
Longest span72 ft (21.9 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2006)
Projected traffic15 by 2045
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 2030000-0.31 over Perm built?

It was built in 2000, making it 25 years old in 2025.

What condition is 2030000-0.31 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 2030000-0.31 over Perm carry?

About 10 vehicles per day (2006 count).

How long is 2030000-0.31 over Perm?

The structure is 72 ft (21.9 m) long with a longest span of 72 ft (21.9 m) and a deck 16 ft wide.

Who owns 2030000-0.31 over Perm?

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