FHWA NBI 2024 Inspection record Public-domain dataset

FAP 328 (US 45)

Carrying FAP 328 (US 45) over BUCK CREEK

3 MI N US 50 JCT, Clay, Illinois

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
39 t Inventory load rating

Bridge Snapshot: FAP 328 (US 45)

The FAP 328 (US 45) bridge in Clay, Illinois carries FAP 328 (US 45) over BUCK CREEK. It was built in 2008, making it 18 years old today. The structure is built primarily of steel continuous and spans 2 sections, stretching 35.4 meters (116 feet) end to end. Daily traffic averages 5,100 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 8/9, substructure at 8/9. 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 38.6 metric tons.

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

How FAP 328 (US 45) compares

▲ 4.0
Load rating vs Illinois average (34.6 t)
Top 22%
Higher load rating than 78% of Illinois bridges
171
Bridges in Clay · 22 in Poor condition
FAP 328 (US 45) 38.6 t
Illinois average 34.6 t

Live comparison across Illinois.

Historical Sufficiency Rating

PlainBridge-computed
83.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
29.0
Essentiality /15
0.0
Special reductions
−1.0

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 How the historical reference is calculated.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
8/9
Good (7–9)
Substructure
8/9
Good (7–9)
Inventory Load Rating
38.6 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
2008
Material
Steel Continuous
Number of Spans
2
Structure Length
35.4 m (116 ft)
Deck Width
13.2 m (43 ft)
Owner
State Highway Agency
Avg Daily Traffic
5,100 vehicles/day
Structure Number
013004100000000

Condition Analysis

  • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • At 8/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • The substructure (piers and abutments) rates good at 8/9, with no significant deterioration on file.

How to read this record

This page shows what the last federal inspection recorded, not whether FAP 328 (US 45) 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 FAP 328 (US 45) against other structures in Clay 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 FAP 328 (US 45)?

FAP 328 (US 45) in Clay, Illinois has a deck rating of 6/9, superstructure rating of 8/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.

How often is FAP 328 (US 45) inspected?

FAP 328 (US 45)'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 5,100 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. FAP 328 (US 45) 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 FAP 328 (US 45)?

FAP 328 (US 45) has an NBI inventory load rating of 38.6 metric tons.

Who is responsible for maintaining FAP 328 (US 45)?

FAP 328 (US 45) is owned and maintained by State Highway Agency.

How old is FAP 328 (US 45) and does age affect safety?

FAP 328 (US 45) was built in 2008, making it 18 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.