FHWA NBI 2024 Inspection record Public-domain dataset

TR-228

Carrying TR-228 over BEAVER POND DITCH

2 MI E LAWRENCEVILLE, Lawrence, Illinois

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
31 t Inventory load rating

Bridge Snapshot: TR-228

The TR-228 bridge in Lawrence, Illinois carries TR-228 over BEAVER POND DITCH. It was built in 1978, making it 48 years old today. The structure is built primarily of concrete and spans 2 sections, stretching 11.0 meters (36 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 8/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 30.8 metric tons.

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

How TR-228 compares

▼ 3.8
Load rating vs Illinois average (34.6 t)
Bottom 21%
Lower load rating than 79% of Illinois bridges
183
Bridges in Lawrence · 36 in Poor condition
TR-228 30.8 t
Illinois average 34.6 t

Live comparison across Illinois.

Historical Sufficiency Rating

PlainBridge-computed
96.3 / 100 - historical 80–100 band
Structural adequacy /55
54.3
Serviceability /30
30.0
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 How the historical reference is calculated.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

Culvert
8/9
Good (7–9)
Inventory Load Rating
30.8 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1978
Material
Concrete
Number of Spans
2
Structure Length
11.0 m (36 ft)
Deck Width
8.5 m (28 ft)
Owner
Town/Township Highway Agency
Avg Daily Traffic
50 vehicles/day
Structure Number
051320200000000

How to read this record

This page shows what the last federal inspection recorded, not whether TR-228 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-228 against other structures in Lawrence 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-228?

TR-228 in Lawrence, Illinois on the FHWA's 0–9 scale.

How often is TR-228 inspected?

TR-228'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-228 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-228?

TR-228 has an NBI inventory load rating of 30.8 metric tons.

Who is responsible for maintaining TR-228?

TR-228 is owned and maintained by Town/Township Highway Agency.

How old is TR-228 and does age affect safety?

TR-228 was built in 1978, making it 48 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.