FHWA NBI 2024 Inspection record Public-domain dataset

TR 0104A0

Carrying TR 0104A0 over STREAM

E 6TH N 1130, LaSalle, Illinois

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
30 t Inventory load rating

Bridge Snapshot: TR 0104A0

The TR 0104A0 bridge in LaSalle, Illinois carries TR 0104A0 over STREAM. It was built in 1963, making it 63 years old today. The structure is built primarily of concrete and spans 3 sections, stretching 18.3 meters (60 feet) end to end. Daily traffic averages 100 vehicles, placing it in the lower-traffic tier of Illinois bridges. It is owned and maintained by Town/Township Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 6/9, substructure at 5/9. 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 30.1 metric tons.

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

How TR 0104A0 compares

▼ 4.5
Load rating vs Illinois average (34.6 t)
Bottom 20%
Lower load rating than 80% of Illinois bridges
529
Bridges in LaSalle · 61 in Poor condition
TR 0104A0 30.1 t
Illinois average 34.6 t

Live comparison across Illinois.

Historical Sufficiency Rating

PlainBridge-computed
80.4 / 100 - historical 80–100 band
Structural adequacy /55
43.9
Serviceability /30
24.5
Essentiality /15
15.0
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
30.1 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1963
Material
Concrete
Number of Spans
3
Structure Length
18.3 m (60 ft)
Deck Width
8.0 m (26 ft)
Owner
Town/Township Highway Agency
Avg Daily Traffic
100 vehicles/day
Structure Number
050310200000000

Condition Analysis

  • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • At 5/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

This page shows what the last federal inspection recorded, not whether TR 0104A0 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 TR 0104A0 against other structures in LaSalle and across Illinois. Illinois 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 TR 0104A0?

TR 0104A0 in LaSalle, Illinois has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is TR 0104A0 inspected?

TR 0104A0'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. TR 0104A0 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 TR 0104A0?

TR 0104A0 has an NBI inventory load rating of 30.1 metric tons.

Who is responsible for maintaining TR 0104A0?

TR 0104A0 is owned and maintained by Town/Township Highway Agency.

How old is TR 0104A0 and does age affect safety?

TR 0104A0 was built in 1963, making it 63 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.