FHWA NBI 2024 Inspection record Public-domain dataset

FAI 172

Carrying FAI 172 over FALL CREEK

1.0 M S IL 57, Adams, Illinois

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
53 t Inventory load rating

Bridge Snapshot: FAI 172

The FAI 172 bridge in Adams, Illinois carries FAI 172 over FALL CREEK. It was built in 1982, making it 44 years old today. It was last reconstructed in 1988, extending its service life. The structure is built primarily of concrete and spans 2 sections, stretching 9.2 meters (30 feet) end to end. Daily traffic averages 13,100 vehicles, placing it in the heavily-trafficked tier of Illinois bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show culvert at 7/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 52.5 metric tons.

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

How FAI 172 compares

▲ 17.9
Load rating vs Illinois average (34.6 t)
Top 6%
Higher load rating than 94% of Illinois bridges
325
Bridges in Adams · 19 in Poor condition
FAI 172 52.5 t
Illinois average 34.6 t

Live comparison across Illinois.

Historical Sufficiency Rating

PlainBridge-computed
81.5 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
15.0
Essentiality /15
11.5
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 How the historical reference is calculated.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

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

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

Structural Details

Year Built
1982
Last Reconstructed
1988
Material
Concrete
Number of Spans
2
Structure Length
9.2 m (30 ft)
Owner
State Highway Agency
Avg Daily Traffic
13,100 vehicles/day
Structure Number
001200500000000

How to read this record

This page shows what the last federal inspection recorded, not whether FAI 172 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 FAI 172 against other structures in Adams 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 FAI 172?

FAI 172 in Adams, Illinois on the FHWA's 0–9 scale.

How often is FAI 172 inspected?

FAI 172'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 13,100 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. FAI 172 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 FAI 172?

FAI 172 has an NBI inventory load rating of 52.5 metric tons.

Who is responsible for maintaining FAI 172?

FAI 172 is owned and maintained by State Highway Agency.

How old is FAI 172 and does age affect safety?

FAI 172 was built in 1982, making it 44 years old and last reconstructed in 1988.

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.