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GUSTAVUS AIRPORT R

over SALMON RIVER

MILE POINT 1.5, Hoonah-Angoon Census Area, Alaska

Condition

Poor

Year Built

1976

Daily Traffic

1,020

Length

158 ft

About This Bridge

GUSTAVUS AIRPORT R carries traffic over SALMON RIVER in Hoonah-Angoon Census Area, Alaska. Built in 1976, this structure is 50 years old. The bridge features steel continuous construction with a stringer/multi-beam or girder design.

The bridge is currently rated in poor condition based on federal inspection criteria. Its lowest component rating is 4 on the 0-9 federal scale. It is classified as structurally deficient, meaning one or more components have received a rating of 4 or below. This designation indicates significant deterioration that warrants attention, though the bridge remains safe for travel within its posted limits.

Condition Summary

Structurally Deficient

This bridge has one or more component ratings of 4 or below, indicating significant deterioration that requires attention. The bridge remains safe for travel but may have load restrictions.

4

Lowest Rating

Determines condition category

NBI condition ratings range from 0 (failed) to 9 (excellent). The overall condition category is determined by the lowest individual component rating.

Bridge Details

Construction

Year Built1976
MaterialSteel Continuous
Design TypeStringer/Multi-beam or Girder

Dimensions

Total Length158 ft
Max Span—

Limited Detail Available

This is a shorter bridge (158 ft). Detailed component-level inspection data, load ratings, traffic projections, and historical trend analysis are available for bridges 50 feet and longer. Basic condition and identification data is shown above from the National Bridge Inventory.

Location

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59.660000, -136.200000

Identification

NBI IDAK-0444
StateAlaska
County FIPS105

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Data Source: Federal Highway Administration (FHWA) National Bridge Inventory 2024

Bridge inspection data is typically updated every 24 months. Conditions may have changed since the last inspection.

“Structurally deficient” does not mean a bridge is unsafe or likely to collapse. It indicates that one or more key structural elements are in poor or worse condition. Bridges are inspected regularly and may have load restrictions in place.

This data is for informational purposes only and should not be used for route clearance or vehicle weight decisions.

GUSTAVUS AIRPORT R over SALMON RIVER | Alaska