US Bridges

IRR BIA Route 008 over Unnamed Stream

Fair

Prince of Wales-Hyder Census Area, Alaska · S of Klawock Lake 4.2 MI · Structure no. 0000E09108T0530

Built
1990
35 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
48 ft
1 main span
Daily traffic
1
2022 count
Owner
Tribal
Indian Tribal Government

About this bridge

IRR BIA Route 008 over Unnamed Stream is a steel stringer/multi-beam or girder carrying IRR BIA Route 008 over Unnamed Stream in Prince of Wales-Hyder Census Area, Alaska. It was built in 1990, so it is 35 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 1 vehicles a day, projected to reach 5 by 2042. The structure is 48 ft (14.7 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesIRR BIA Route 008
CrossesUnnamed Stream
LocationS of Klawock Lake 4.2 MI
RouteFederal Lands Road 0
CountyPrince of Wales-Hyder Census Area
StateAlaska
Coordinates55.49622, -132.98381
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50 US tons
Inventory rating30 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length48 ft (14.7 m)
Longest span42 ft (12.7 m)
Deck width16 ft (4.8 m)
Roadway width15 ft (4.5 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 byOther Local Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$45,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR BIA Route 008 over Unnamed Stream built?

It was built in 1990, making it 35 years old in 2025.

What condition is IRR BIA Route 008 over Unnamed Stream 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 2023.

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

About 1 vehicles per day (2022 count).

How long is IRR BIA Route 008 over Unnamed Stream?

The structure is 48 ft (14.7 m) long with a longest span of 42 ft (12.7 m) and a deck 16 ft wide.

Who owns IRR BIA Route 008 over Unnamed Stream?

It is owned by the Indian Tribal Government and maintained by the Other Local Agency.