Structure E02255T0630 · Bethel County, AK

IRR BIA RTE 6023 over Unnamed Tidal Slough

Carries IRR BIA RTE 6023 over Unnamed Tidal Slough, 0.2km East Of Barge Lndg.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT230 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

230 ft end to end: about 3 semi-trucks nose to tail. Lengths and the semi-truck 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 through truss.

Built200521 years old
Length230.3 ft70.2 m
Daily traffic200counted 2019
Last inspectedJuly 2024every 24 months

Location

StateAlaska
CountyBethel
Location0.2km East Of Barge Lndg
CarriesIRR BIA RTE 6023
CrossesUnnamed Tidal Slough
Coordinates59.93583, -164.04553

Physical Characteristics

MaterialSteel
DesignTruss - Thru
Total Length230.3 ft (70.2 m)
Max Span84.3 ft (25.7 m)
Deck Width9.8 ft (3 m)
Deck Area210.6 sq m
Main Spans1
Year Built2005

Traffic

Avg Daily Traffic200 (2019)
Lanes On Bridge2

Inspection & Ownership

Last InspectionJuly 2024
Inspection FrequencyEvery 24 months
OwnerCode 61
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number0000E02255T0630

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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