FHWA NBI 2024 Inspection record Public-domain dataset

QUARTZ CREEK ROAD

Carrying QUARTZ CREEK ROAD over CRESCENT CREEK

MILE POINT 2.6, Kenai Peninsula, Alaska

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
12 t Inventory load rating

Bridge Snapshot: QUARTZ CREEK ROAD

The QUARTZ CREEK ROAD bridge in Kenai Peninsula, Alaska carries QUARTZ CREEK ROAD over CRESCENT CREEK. It was built in 1959, making it 67 years old today. The structure is built primarily of wood or timber and spans 2 sections, stretching 17.1 meters (56 feet) end to end. Daily traffic averages 100 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 a deck rating of 6/9, superstructure at 6/9, substructure at 7/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 12.2 metric tons.

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How QUARTZ CREEK ROAD compares

▼ 22.6
Load rating vs Alaska average (34.8 t)
Bottom 3%
Lower load rating than 97% of Alaska bridges
45
Bridges in Kenai Peninsula · 10 in Poor condition
QUARTZ CREEK ROAD 12.2 t
Alaska average 34.8 t

Live comparison across Alaska.

Historical Sufficiency Rating

PlainBridge-computed
43.4 / 100 - historical 20–49.9 band
Structural adequacy /55
25.5
Serviceability /30
13.0
Essentiality /15
12.9
Special reductions
−8.0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Deck
6/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
7/9
Good (7–9)
Inventory Load Rating
12.2 t
NBI inventory level (metric tons)
Overall Condition
Fair

Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.

Structural Details

Year Built
1959
Material
Wood or Timber
Number of Spans
2
Structure Length
17.1 m (56 ft)
Deck Width
4.9 m (16 ft)
Owner
State Highway Agency
Avg Daily Traffic
100 vehicles/day
Structure Number
1021

Condition Analysis

  • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • 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 QUARTZ CREEK ROAD 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 QUARTZ CREEK ROAD against other structures in Kenai Peninsula 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 QUARTZ CREEK ROAD?

QUARTZ CREEK ROAD in Kenai Peninsula, 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 QUARTZ CREEK ROAD inspected?

QUARTZ CREEK ROAD'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 100 vehicles per day.

What does “structurally deficient” mean in older bridge reports?

FHWA retired that reported status beginning with the 2018 archive. QUARTZ CREEK ROAD 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 QUARTZ CREEK ROAD?

QUARTZ CREEK ROAD has an NBI inventory load rating of 12.2 metric tons.

Who is responsible for maintaining QUARTZ CREEK ROAD?

QUARTZ CREEK ROAD is owned and maintained by State Highway Agency.

How old is QUARTZ CREEK ROAD and does age affect safety?

QUARTZ CREEK ROAD was built in 1959, making it 67 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

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.