US Bridges

IRR BIA Route 008 over Unnamed Creek

Poor

Prince of Wales-Hyder Census Area, Alaska · S of Klawock Lake 4.3 MI · Structure no. 0000E09108T0520

Built
2005
20 years old
Condition
Poor
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
55 ft
1 main span
Daily traffic
1
2022 count
Owner
Tribal
Indian Tribal Government

About this bridge

IRR BIA Route 008 over Unnamed Creek is a steel stringer/multi-beam or girder carrying IRR BIA Route 008 over Unnamed Creek in Prince of Wales-Hyder Census Area, Alaska. It was built in 2005, so it is 20 years old, younger than the Alaska average of 35.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 1 vehicles a day, projected to reach 5 by 2042. The structure is 55 ft (16.9 m) long and 14 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesIRR BIA Route 008
CrossesUnnamed Creek
LocationS of Klawock Lake 4.3 MI
RouteFederal Lands Road 0
StateAlaska
Coordinates55.49653, -132.98522
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating23 US tons
Inventory rating14 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length55 ft (16.9 m)
Longest span54 ft (16.6 m)
Deck width14 ft (4.3 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1 (2022)
Projected traffic5 by 2042
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerIndian Tribal Government
Maintained byIndian Tribal Government
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$30,000
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR BIA Route 008 over Unnamed Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is IRR BIA Route 008 over Unnamed Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2023.

How much traffic does IRR BIA Route 008 over Unnamed Creek carry?

About 1 vehicles per day (2022 count).

How long is IRR BIA Route 008 over Unnamed Creek?

The structure is 55 ft (16.9 m) long with a longest span of 54 ft (16.6 m) and a deck 14 ft wide.

Who owns IRR BIA Route 008 over Unnamed Creek?

It is owned by the Indian Tribal Government.