FHWA NBI 2024 Inspection record Public-domain dataset

PARKS HIGHWAY

Carrying PARKS HIGHWAY over UNNAMED CREEK

MILE POINT 121.1, Matanuska-Susitna, Alaska

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Good
33 t Inventory load rating Lower than 60% of rated Alaska bridges

PARKS HIGHWAY in Matanuska-Susitna, Alaska sits above 40% of rated Alaska bridges on inventory load rating (33 t), while its 1966 build year is earlier than 88% of Matanuska-Susitna's recorded-year cohort (120 bridges).

PARKS HIGHWAY in Matanuska-Susitna, Alaska is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 1966, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 7. The lowest applicable rating sets the federal condition category, so this Good 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:4141

INTERSTATE-ERA · STEEL · MULTI-SPAN · CULVERT-LED · ARTERIAL-ADT · STANDARD-LOAD · CAT-GOOD

  • INTERSTATE-ERA 1950–1979
  • STEEL Steel
  • MULTI-SPAN 3 spans
  • CULVERT-LED Culvert-led
  • ARTERIAL-ADT Arterial ADT
  • STANDARD-LOAD Standard load
  • CAT-GOOD Good

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 UNNAMED CREEK. It was built in 1966, making it 60 years old today. The structure is built primarily of steel and spans 3 sections, stretching 7.3 meters (24 feet) end to end. Daily traffic averages 1,650 vehicles, placing it in the moderately-trafficked tier of Alaska bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show culvert at 7/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range.

How PARKS HIGHWAY compares

▼ 5.5
Load rating vs Alaska average (38.2 t; 1,679 of 1,685 rated)
120
Bridges in Matanuska-Susitna · 7 in Poor condition

Age against the county: built in 1966, earlier than 105 of Matanuska-Susitna's 120 bridges with a recorded construction year (88%), 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.

PARKS HIGHWAY 32.7 t
Alaska average (1,679 of 1,685 rated) 38.2 t

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

33 Top 60% higher than 40% 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

Culvert
7/9
Good (7–9)
Inventory Load Rating
32.7 t
NBI inventory level (metric tons)
Overall Condition
Good

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
1966
Material
Steel
Number of Spans
3
Structure Length
7.3 m (24 ft)
0
Owner
State Highway Agency
Avg Daily Traffic
1,650 vehicles/day
Structure Number
4141

How to read this record

This page shows what the last federal inspection recorded, not whether PARKS HIGHWAY 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 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 1,650 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 Good 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 32.7 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 1966, making it 60 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.

Data sourced from the Federal Highway Administration National Bridge Inventory. See our methodology for details. Retrieved and formatted by PlainBridges

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Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.

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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.