FHWA NBI 2024 Inspection record Public-domain dataset

TR 88 OFF ILL 146

Carrying TR 88 OFF ILL 146 over FLAT LICK CREEK

5.25M E OF ILL 145, Pope, Illinois

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
29 t Inventory load rating

Bridge Snapshot: TR 88 OFF ILL 146

The TR 88 OFF ILL 146 bridge in Pope, Illinois carries TR 88 OFF ILL 146 over FLAT LICK CREEK. It was built in 1962, making it 64 years old today. The structure is built primarily of concrete and spans 3 sections, stretching 27.8 meters (91 feet) end to end. Daily traffic averages 10 vehicles, placing it in the lower-traffic tier of Illinois bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 6/9, substructure at 6/9. 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 28.8 metric tons.

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

How TR 88 OFF ILL 146 compares

▼ 5.8
Load rating vs Illinois average (34.6 t)
Bottom 19%
Lower load rating than 81% of Illinois bridges
86
Bridges in Pope · 6 in Poor condition
TR 88 OFF ILL 146 28.8 t
Illinois average 34.6 t

Live comparison across Illinois.

Historical Sufficiency Rating

PlainBridge-computed
76.9 / 100 - historical 50–79.9 band
Structural adequacy /55
52.8
Serviceability /30
17.3
Essentiality /15
14.9
Special reductions
−8.0

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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
6/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
28.8 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1962
Material
Concrete
Number of Spans
3
Structure Length
27.8 m (91 ft)
Deck Width
5.8 m (19 ft)
Owner
State Highway Agency
Avg Daily Traffic
10 vehicles/day
Structure Number
076002200000000

Condition Analysis

  • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
  • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • The substructure (piers and abutments) rates fair at 6/9, minor deterioration that routine maintenance should address.

How to read this record

This page shows what the last federal inspection recorded, not whether TR 88 OFF ILL 146 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 88 OFF ILL 146 against other structures in Pope 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 88 OFF ILL 146?

TR 88 OFF ILL 146 in Pope, Illinois has a deck rating of 7/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is TR 88 OFF ILL 146 inspected?

TR 88 OFF ILL 146'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 10 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. TR 88 OFF ILL 146 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 88 OFF ILL 146?

TR 88 OFF ILL 146 has an NBI inventory load rating of 28.8 metric tons.

Who is responsible for maintaining TR 88 OFF ILL 146?

TR 88 OFF ILL 146 is owned and maintained by State Highway Agency.

How old is TR 88 OFF ILL 146 and does age affect safety?

TR 88 OFF ILL 146 was built in 1962, making it 64 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.