FHWA NBI 2024 Inspection record Public-domain dataset

I72/MACARTHUR RAMP

Carrying I72/MACARTHUR RAMP over UPRR

1.3 MI W I-55, Sangamon, Illinois

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
67 t Inventory load rating

Bridge Snapshot: I72/MACARTHUR RAMP

The I72/MACARTHUR RAMP bridge in Sangamon, Illinois carries I72/MACARTHUR RAMP over UPRR. It was built in 2009, making it 17 years old today. The structure is built primarily of steel continuous and spans 4 sections, stretching 96.3 meters (316 feet) end to end. Daily traffic averages 3,800 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 7/9, superstructure at 8/9, substructure at 8/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 67.1 metric tons.

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

How I72/MACARTHUR RAMP compares

▲ 32.5
Load rating vs Illinois average (34.6 t)
Top 2%
Higher load rating than 98% of Illinois bridges
480
Bridges in Sangamon · 25 in Poor condition
I72/MACARTHUR RAMP 67.1 t
Illinois average 34.6 t

Live comparison across Illinois.

Historical Sufficiency Rating

PlainBridge-computed
96.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
26.0
Essentiality /15
15.0
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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
8/9
Good (7–9)
Substructure
8/9
Good (7–9)
Inventory Load Rating
67.1 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2009
Material
Steel Continuous
Number of Spans
4
Structure Length
96.3 m (316 ft)
Deck Width
8.9 m (29 ft)
Owner
State Highway Agency
Avg Daily Traffic
3,800 vehicles/day
Structure Number
084051400000000

Condition Analysis

  • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
  • The superstructure (beams and supports above the deck) rates good at 8/9, with no significant deterioration on file.
  • At 8/9, the substructure (piers and abutments) is in good shape and shows no significant wear.

How to read this record

This page shows what the last federal inspection recorded, not whether I72/MACARTHUR RAMP 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 I72/MACARTHUR RAMP against other structures in Sangamon 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 I72/MACARTHUR RAMP?

I72/MACARTHUR RAMP in Sangamon, Illinois has a deck rating of 7/9, superstructure rating of 8/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.

How often is I72/MACARTHUR RAMP inspected?

I72/MACARTHUR RAMP'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 3,800 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. I72/MACARTHUR RAMP 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 I72/MACARTHUR RAMP?

I72/MACARTHUR RAMP has an NBI inventory load rating of 67.1 metric tons.

Who is responsible for maintaining I72/MACARTHUR RAMP?

I72/MACARTHUR RAMP is owned and maintained by State Highway Agency.

How old is I72/MACARTHUR RAMP and does age affect safety?

I72/MACARTHUR RAMP was built in 2009, making it 17 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.