FHWA NBI 2024 Inspection record Public-domain dataset

CHAS ST(MS 3100 A)

Carrying CHAS ST(MS 3100 A) over POLECAT CREEK

ASHMORE, Coles, Illinois

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
32 t Inventory load rating

Bridge Snapshot: CHAS ST(MS 3100 A)

The CHAS ST(MS 3100 A) bridge in Coles, Illinois carries CHAS ST(MS 3100 A) over POLECAT CREEK. It was built in 1983, making it 43 years old today. The structure is built primarily of prestressed concrete and spans 2 sections, stretching 18.3 meters (60 feet) end to end. Daily traffic averages 400 vehicles, placing it in the lower-traffic tier of Illinois bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 5/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range. 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 CHAS ST(MS 3100 A) compares

▼ 2.2
Load rating vs Illinois average (34.6 t)
Bottom 23%
Lower load rating than 77% of Illinois bridges
308
Bridges in Coles · 21 in Poor condition
CHAS ST(MS 3100 A) 32.4 t
Illinois average 34.6 t

Live comparison across Illinois.

Historical Sufficiency Rating

PlainBridge-computed
87.0 / 100 - historical 80–100 band
Structural adequacy /55
45.0
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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
5/9
Fair (5–6)
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
1983
Material
Prestressed Concrete
Number of Spans
2
Structure Length
18.3 m (60 ft)
Deck Width
8.6 m (28 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
400 vehicles/day
Structure Number
015633300000000

Condition Analysis

  • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
  • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • At 5/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

This page shows what the last federal inspection recorded, not whether CHAS ST(MS 3100 A) 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 CHAS ST(MS 3100 A) against other structures in Coles 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 CHAS ST(MS 3100 A)?

CHAS ST(MS 3100 A) in Coles, Illinois has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is CHAS ST(MS 3100 A) inspected?

CHAS ST(MS 3100 A)'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 400 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. CHAS ST(MS 3100 A) 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 CHAS ST(MS 3100 A)?

CHAS ST(MS 3100 A) has an NBI inventory load rating of 32.4 metric tons.

Who is responsible for maintaining CHAS ST(MS 3100 A)?

CHAS ST(MS 3100 A) is owned and maintained by City/Municipal Highway Agency.

How old is CHAS ST(MS 3100 A) and does age affect safety?

CHAS ST(MS 3100 A) was built in 1983, making it 43 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.