PARKS HIGHWAY
Carrying PARKS HIGHWAY over HARDAGE CREEK
MILE POINT 148.3, Matanuska-Susitna, Alaska
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
PARKS HIGHWAY in Matanuska-Susitna, Alaska sits above 97% of rated Alaska bridges on inventory load rating (100 t), while its 1971 build year is earlier than 78% of Matanuska-Susitna's recorded-year cohort (120 bridges).
PARKS HIGHWAY in Matanuska-Susitna, Alaska is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1971, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 3. The lowest applicable rating sets the federal condition category, so this Poor result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.
NBI record plate
Structure AK:4060
INTERSTATE-ERA · STEEL · MULTI-SPAN · CULVERT-LED · LOCAL-ADT · HEAVY-LOAD · CAT-POOR
- INTERSTATE-ERA 1950–1979
- STEEL Steel
- MULTI-SPAN 2 spans
- CULVERT-LED Culvert-led
- LOCAL-ADT Local ADT
- HEAVY-LOAD Heavy load
- CAT-POOR Poor
Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.
Bridge Snapshot: PARKS HIGHWAY
The PARKS HIGHWAY bridge in Matanuska-Susitna, Alaska carries PARKS HIGHWAY over HARDAGE CREEK. It was built in 1971, making it 55 years old today. The structure is built primarily of steel and spans 2 sections, stretching 7.9 meters (26 feet) end to end. Daily traffic averages 940 vehicles, placing it in the lower-traffic tier of Alaska bridges. It is owned and maintained by State Highway Agency.
The latest FHWA inspection records show culvert at 3/9. 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.
How PARKS HIGHWAY compares
Age against the county: built in 1971, earlier than 94 of Matanuska-Susitna's 120 bridges with a recorded construction year (78%), against a county median build year of 1999. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across Alaska bridges with a recorded inventory load rating (1,679 of 1,685 rated).
PARKS HIGHWAY vs every rated Alaska bridge
Inventory load rating (metric tons), FHWA NBI, this state
100 Top 3% higher than 97% of 1,679 bridges
rated Alaska bridges, bucketed by value
Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source FHWA National Bridge Inventory · August 2026
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Matanuska-Susitna inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 120 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.
Structural Details
- Year Built
- 1971
- Material
- Steel
- Number of Spans
- 2
- Structure Length
- 7.9 m (26 ft) 0
- Owner
- State Highway Agency
- Avg Daily Traffic
- 940 vehicles/day
- Structure Number
- 4060
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
PARKS HIGHWAY 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 PARKS HIGHWAY against other structures in Matanuska-Susitna 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 PARKS HIGHWAY?
PARKS HIGHWAY in Matanuska-Susitna, Alaska on the FHWA's 0–9 scale.
How often is PARKS HIGHWAY inspected?
PARKS HIGHWAY'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 940 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. PARKS HIGHWAY 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 PARKS HIGHWAY?
PARKS HIGHWAY has an NBI inventory load rating of 99.9 metric tons.
Who is responsible for maintaining PARKS HIGHWAY?
PARKS HIGHWAY is owned and maintained by State Highway Agency.
How old is PARKS HIGHWAY and does age affect safety?
PARKS HIGHWAY was built in 1971, making it 55 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.
Share this inspection record
Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.
Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.