Structure E09108T0550 · Prince of Wales-Hyder County, AK

IRR BIA Route 008 over Unnamed Stream

Carries IRR BIA Route 008 over Unnamed Stream, S Of Klawock Lake 3.7 Mi.

Overall conditionFair

Set by its lowest-rated component: Superstructure and Substructure at 5 of 9.

How ratings work
Superstructuresets the rating5/9 · Fair
Substructuresets the rating5/9 · Fair
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT26 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck not ratedSuperstructure 5/9Substructure 5/9

26 ft end to end. Lengths and the car on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a multi-beam bridge.

Built199036 years old
Length26.2 ft8 m
Daily traffic1counted 2022
Last inspectedJune 2023every 24 months

Location

StateAlaska
CountyPrince of Wales-Hyder
LocationS Of Klawock Lake 3.7 Mi
CarriesIRR BIA Route 008
CrossesUnnamed Stream
Coordinates55.49442, -132.97228

Physical Characteristics

MaterialWood or Timber
DesignStringer/Multi-beam
Total Length26.2 ft (8 m)
Max Span23.0 ft (7 m)
Deck Width13.1 ft (4 m)
Deck Area32 sq m
Main Spans1
Year Built1990

Traffic

Avg Daily Traffic1 (2022)
Lanes On Bridge1

Inspection & Ownership

Last InspectionJune 2023
Inspection FrequencyEvery 24 months
OwnerCode 61
Historical SignificanceBridge is not eligible for the National Register
Scour Critical3 — Scour critical
Structure Number0000E09108T0550

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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