FHWA NBI 2024 Inspection record Public-domain dataset

N THORNE AVE

Carrying N THORNE AVE over DRY CREEK CANAL

AT NIELSEN AVE, Fresno, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
34 t Inventory load rating

Bridge Snapshot: N THORNE AVE

The N THORNE AVE bridge in Fresno, California carries N THORNE AVE over DRY CREEK CANAL. It was built in 1925, making it 101 years old today. It was last reconstructed in 1940, extending its service life. The structure is built primarily of concrete continuous and spans 2 sections, stretching 11.0 meters (36 feet) end to end. Daily traffic averages 1,696 vehicles, placing it in the moderately-trafficked tier of California bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show a deck rating of 4/9, superstructure at 4/9, substructure at 5/9. 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 33.7 metric tons.

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

How N THORNE AVE compares

▲ 2.4
Load rating vs California average (31.3 t)
Top 23%
Higher load rating than 77% of California bridges
929
Bridges in Fresno · 33 in Poor condition
N THORNE AVE 33.7 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
62.0 / 100 - historical 50–79.9 band
Structural adequacy /55
30.0
Serviceability /30
20.2
Essentiality /15
14.7
Special reductions
−3.0

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 How the historical reference is calculated.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
4/9
Poor (1–4)
Superstructure
4/9
Poor (1–4)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
33.7 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1925
Last Reconstructed
1940
Material
Concrete Continuous
Number of Spans
2
Structure Length
11.0 m (36 ft)
Deck Width
9.8 m (32 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
1,696 vehicles/day
Structure Number
42C0482

Condition Analysis

  • At 4/9, the deck (driving surface) is in poor shape, with advanced wear flagged for priority repair.
  • The superstructure (beams and supports above the deck) rates poor at 4/9, advanced deterioration that should be prioritized for repair.
  • At 5/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

N THORNE AVE 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 N THORNE AVE against other structures in Fresno and across California. California 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 THORNE AVE?

N THORNE AVE in Fresno, California has a deck rating of 4/9, superstructure rating of 4/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is N THORNE AVE inspected?

N THORNE AVE'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 1,696 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. N THORNE AVE 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 N THORNE AVE?

N THORNE AVE has an NBI inventory load rating of 33.7 metric tons.

Who is responsible for maintaining N THORNE AVE?

N THORNE AVE is owned and maintained by City/Municipal Highway Agency.

How old is N THORNE AVE and does age affect safety?

N THORNE AVE was built in 1925, making it 101 years old and last reconstructed in 1940.

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.