FHWA NBI 2024 Inspection record Public-domain dataset

N. GRAND LAKE WAY

Carrying N. GRAND LAKE WAY over FIVE MILE CREEK

3.45 N. MERIDIAN, Ada, Idaho

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
64 t Inventory load rating

Bridge Snapshot: N. GRAND LAKE WAY

The N. GRAND LAKE WAY bridge in Ada, Idaho carries N. GRAND LAKE WAY over FIVE MILE CREEK. It was built in 2022, making it 4 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 15.5 meters (51 feet) end to end. Daily traffic averages 50 vehicles, placing it in the lower-traffic tier of Idaho bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 9/9, superstructure at 9/9, substructure at 9/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 64.2 metric tons.

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

How N. GRAND LAKE WAY compares

▲ 32.9
Load rating vs Idaho average (31.3 t)
Top 3%
Higher load rating than 97% of Idaho bridges
81
Bridges in Ada
N. GRAND LAKE WAY 64.2 t
Idaho average 31.3 t

Live comparison across Idaho.

Historical Sufficiency Rating

PlainBridge-computed
100.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
15.0
Special reductions
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 How the historical reference is calculated.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
9/9
Good (7–9)
Superstructure
9/9
Good (7–9)
Substructure
9/9
Good (7–9)
Inventory Load Rating
64.2 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2022
Material
Prestressed Concrete
Number of Spans
1
Structure Length
15.5 m (51 ft)
Deck Width
17.1 m (56 ft)
Owner
County Highway Agency
Avg Daily Traffic
50 vehicles/day
Structure Number
000000000025988

Condition Analysis

  • The deck (driving surface) rates good at 9/9, with no significant deterioration on file.
  • At 9/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • The substructure (piers and abutments) rates good at 9/9, with no significant deterioration on file.

How to read this record

This page shows what the last federal inspection recorded, not whether N. GRAND LAKE WAY 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 N. GRAND LAKE WAY against other structures in Ada and across Idaho. Idaho 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 N. GRAND LAKE WAY?

N. GRAND LAKE WAY in Ada, Idaho has a deck rating of 9/9, superstructure rating of 9/9, and substructure rating of 9/9 on the FHWA's 0–9 scale.

How often is N. GRAND LAKE WAY inspected?

N. GRAND LAKE WAY'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 50 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. N. GRAND LAKE WAY 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 N. GRAND LAKE WAY?

N. GRAND LAKE WAY has an NBI inventory load rating of 64.2 metric tons.

Who is responsible for maintaining N. GRAND LAKE WAY?

N. GRAND LAKE WAY is owned and maintained by County Highway Agency.

How old is N. GRAND LAKE WAY and does age affect safety?

N. GRAND LAKE WAY was built in 2022, making it 4 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.