FHWA NBI 2024 Inspection record Public-domain dataset

ILL 9

Carrying ILL 9 over LOST GROVE CREEK

4 MI W OF FIATT, Fulton, Illinois

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
30 t Inventory load rating

Bridge Snapshot: ILL 9

The ILL 9 bridge in Fulton, Illinois carries ILL 9 over LOST GROVE CREEK. It was built in 1980, making it 46 years old today. It was last reconstructed in 2006, extending its service life. The structure is built primarily of prestressed concrete and spans 3 sections, stretching 41.9 meters (137 feet) end to end. Daily traffic averages 1,450 vehicles, placing it in the moderately-trafficked tier of Illinois bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 4/9, superstructure at 6/9, substructure at 3/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order. 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 ILL 9 compares

▼ 4.5
Load rating vs Illinois average (34.6 t)
Bottom 20%
Lower load rating than 80% of Illinois bridges
210
Bridges in Fulton · 44 in Poor condition
ILL 9 30.1 t
Illinois average 34.6 t

Live comparison across Illinois.

Historical Sufficiency Rating

PlainBridge-computed
48.9 / 100 - historical 20–49.9 band
Structural adequacy /55
13.9
Serviceability /30
23.0
Essentiality /15
12.0
Special reductions
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Substructure
3/9
Poor (1–4)
Inventory Load Rating
30.1 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1980
Last Reconstructed
2006
Material
Prestressed Concrete
Number of Spans
3
Structure Length
41.9 m (137 ft)
Deck Width
11.0 m (36 ft)
Owner
State Highway Agency
Avg Daily Traffic
1,450 vehicles/day
Structure Number
029005200000000

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) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • At 3/9, the substructure (piers and abutments) is in poor shape, with advanced wear flagged for priority repair.

How to read this record

ILL 9 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 ILL 9 against other structures in Fulton 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 ILL 9?

ILL 9 in Fulton, Illinois has a deck rating of 4/9, superstructure rating of 6/9, and substructure rating of 3/9 on the FHWA's 0–9 scale.

How often is ILL 9 inspected?

ILL 9'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 1,450 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. ILL 9 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 ILL 9?

ILL 9 has an NBI inventory load rating of 30.1 metric tons.

Who is responsible for maintaining ILL 9?

ILL 9 is owned and maintained by State Highway Agency.

How old is ILL 9 and does age affect safety?

ILL 9 was built in 1980, making it 46 years old and last reconstructed in 2006.

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.