MARINE HWY ROUTE
Carrying MARINE HWY ROUTE over COLD BAY DOCK
COLD BAY, Aleutians East, Alaska
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: MARINE HWY ROUTE
The MARINE HWY ROUTE bridge in Aleutians East, Alaska carries MARINE HWY ROUTE over COLD BAY DOCK. It was built in 1980, making it 46 years old today. The structure is built primarily of prestressed concrete and spans 4 sections, stretching 556.0 meters (1824 feet) end to end. Daily traffic averages 10 vehicles, placing it in the lower-traffic tier of Alaska bridges. It is owned and maintained by County Highway Agency.
The latest FHWA inspection records show a deck rating of 5/9, superstructure at 4/9, substructure at 4/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules. Its NBI inventory load rating is 24.5 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How MARINE HWY ROUTE 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 How the historical reference is calculated.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
- 1980
- Material
- Prestressed Concrete
- Number of Spans
- 4
- Structure Length
- 556.0 m (1824 ft)
- Deck Width
- 3.7 m (12 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 10 vehicles/day
- Structure Number
- 1755
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) rates fair at 5/9, minor deterioration that routine maintenance should address.
- • The superstructure (beams and supports above the deck) is in poor condition (4/9), showing advanced deterioration that may require priority repair.
- • The substructure (piers and abutments) is in poor condition (4/9), showing advanced deterioration that may require priority repair.
How to read this record
MARINE HWY ROUTE is in the federal Poor condition category. That is a component-based result, not a closure order.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
- Compare MARINE HWY ROUTE against other structures in Aleutians East 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 MARINE HWY ROUTE?
MARINE HWY ROUTE in Aleutians East, Alaska has a deck rating of 5/9, superstructure rating of 4/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.
How often is MARINE HWY ROUTE inspected?
MARINE HWY ROUTE's responsible agency sets its routine interval under FHWA's risk-based inspection rules; this page does not expose the scheduled interval. It carries about 10 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. MARINE HWY ROUTE is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for MARINE HWY ROUTE?
MARINE HWY ROUTE has an NBI inventory load rating of 24.5 metric tons.
Who is responsible for maintaining MARINE HWY ROUTE?
MARINE HWY ROUTE is owned and maintained by County Highway Agency.
How old is MARINE HWY ROUTE and does age affect safety?
MARINE HWY ROUTE was built in 1980, making it 46 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.