FHWA NBI 2024 Inspection record Public-domain dataset

TR 75

Carrying TR 75 over STREAM

2.5MI NNE MAGNOLIA, Putnam, Illinois

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
32 t Inventory load rating

Bridge Snapshot: TR 75

The TR 75 bridge in Putnam, Illinois carries TR 75 over STREAM. It was built in 1996, making it 30 years old today. The structure is built primarily of concrete and spans 3 sections, stretching 10.7 meters (35 feet) end to end. Daily traffic averages 50 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 culvert at 7/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 32.4 metric tons.

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

How TR 75 compares

▼ 2.2
Load rating vs Illinois average (34.6 t)
Bottom 23%
Lower load rating than 77% of Illinois bridges
50
Bridges in Putnam · 5 in Poor condition
TR 75 32.4 t
Illinois average 34.6 t

Live comparison across Illinois.

Historical Sufficiency Rating

PlainBridge-computed
98.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
15.0
Special reductions
−2.0

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 How the historical reference is calculated.

Condition Ratings

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

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

Structural Details

Year Built
1996
Material
Concrete
Number of Spans
3
Structure Length
10.7 m (35 ft)
Deck Width
7.7 m (25 ft)
Owner
Town/Township Highway Agency
Avg Daily Traffic
50 vehicles/day
Structure Number
078311200000000

How to read this record

This page shows what the last federal inspection recorded, not whether TR 75 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 75 against other structures in Putnam 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 75?

TR 75 in Putnam, Illinois on the FHWA's 0–9 scale.

How often is TR 75 inspected?

TR 75'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. TR 75 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 TR 75?

TR 75 has an NBI inventory load rating of 32.4 metric tons.

Who is responsible for maintaining TR 75?

TR 75 is owned and maintained by Town/Township Highway Agency.

How old is TR 75 and does age affect safety?

TR 75 was built in 1996, making it 30 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.