FHWA NBI 2024 Inspection record Public-domain dataset

IL 49(FAP 840)

Carrying IL 49(FAP 840) over STONY CREEK TRIB

2 MI N OF I-74, Vermilion, Illinois

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
32 t Inventory load rating

Bridge Snapshot: IL 49(FAP 840)

The IL 49(FAP 840) bridge in Vermilion, Illinois carries IL 49(FAP 840) over STONY CREEK TRIB. It was built in 1986, making it 40 years old today. The structure is built primarily of steel and spans 1 section, stretching 19.4 meters (64 feet) end to end. Daily traffic averages 1,350 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 6/9, superstructure at 7/9, substructure at 7/9. 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 32.4 metric tons.

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

How IL 49(FAP 840) compares

▼ 2.2
Load rating vs Illinois average (34.6 t)
Bottom 23%
Lower load rating than 77% of Illinois bridges
515
Bridges in Vermilion · 27 in Poor condition
IL 49(FAP 840) 32.4 t
Illinois average 34.6 t

Live comparison across Illinois.

Historical Sufficiency Rating

PlainBridge-computed
97.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
29.0
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 How the historical reference is calculated.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

Deck
6/9
Fair (5–6)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
32.4 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1986
Material
Steel
Number of Spans
1
Structure Length
19.4 m (64 ft)
Deck Width
10.7 m (35 ft)
Owner
State Highway Agency
Avg Daily Traffic
1,350 vehicles/day
Structure Number
092018200000000

Condition Analysis

  • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.

How to read this record

This page shows what the last federal inspection recorded, not whether IL 49(FAP 840) 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 IL 49(FAP 840) against other structures in Vermilion 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 IL 49(FAP 840)?

IL 49(FAP 840) in Vermilion, Illinois has a deck rating of 6/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is IL 49(FAP 840) inspected?

IL 49(FAP 840)'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 1,350 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. IL 49(FAP 840) 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 IL 49(FAP 840)?

IL 49(FAP 840) has an NBI inventory load rating of 32.4 metric tons.

Who is responsible for maintaining IL 49(FAP 840)?

IL 49(FAP 840) is owned and maintained by State Highway Agency.

How old is IL 49(FAP 840) and does age affect safety?

IL 49(FAP 840) was built in 1986, making it 40 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.