8340000
Carrying 8340000 over MOD
SHELTER, Ketchikan Gateway, Alaska
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: 8340000
The 8340000 bridge in Ketchikan Gateway, Alaska carries 8340000 over MOD. It was built in 1993, making it 33 years old today. The structure is built primarily of steel and spans 1 section, stretching 18.3 meters (60 feet) end to end. Average daily traffic is not reported for this structure. It is owned and maintained by U.S. Forest Service.
The latest FHWA inspection records show a deck rating of 6/9, superstructure at 6/9, substructure at 7/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 20.1 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How 8340000 compares
Live comparison across Alaska.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1993
- Material
- Steel
- Number of Spans
- 1
- Structure Length
- 18.3 m (60 ft)
- Deck Width
- 5.5 m (18 ft)
- Owner
- U.S. Forest Service
- Structure Number
- 100520000001236
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
- • The superstructure (beams and supports above the deck) rates fair at 6/9, minor deterioration that routine maintenance should address.
- • At 7/9, the substructure (piers and abutments) is in good shape and shows no significant wear.
How to read this record
This page shows what the last federal inspection recorded, not whether 8340000 is safe to cross today. Here is how to use it.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Learn how the 0–9 condition scale and Good/Fair/Poor categories are defined. How condition ratings work
- Compare 8340000 against other structures in Ketchikan Gateway and across Alaska. Alaska bridges
- Noticed visible damage or a safety concern? Report it to the agency that owns the bridge, or call 911 in an emergency. How to report a bridge
Condition codes come straight from the FHWA National Bridge Inventory and are not a real-time safety judgment. Only the owning agency, a state DOT, county, or other owner, can post, restrict, or close a bridge.
Frequently Asked Questions
What do the condition ratings mean for 8340000?
8340000 in Ketchikan Gateway, Alaska has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.
How often is 8340000 inspected?
8340000's responsible agency sets its routine interval under FHWA's risk-based inspection rules; this page does not expose the scheduled interval.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. 8340000 is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for 8340000?
8340000 has an NBI inventory load rating of 20.1 metric tons.
Who is responsible for maintaining 8340000?
8340000 is owned and maintained by U.S. Forest Service.
How old is 8340000 and does age affect safety?
8340000 was built in 1993, making it 33 years old.
Disclaimer: Bridge condition data is from the FHWA NBI and reflects the last reported inspection. A Poor condition rating is not a live declaration that a bridge is closed or unsafe for travel. For current closure, posting, or safety information, contact the responsible transportation agency.
Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.