FHWA NBI 2024 Inspection record Public-domain dataset

WINTER RD CH 49

Carrying WINTER RD CH 49 over DOZA CREEK SOUTH

3.5 MI S IL 13, St. Clair, Illinois

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
9 t Inventory load rating

Bridge Snapshot: WINTER RD CH 49

The WINTER RD CH 49 bridge in St. Clair, Illinois carries WINTER RD CH 49 over DOZA CREEK SOUTH. It was built in 1901, making it 125 years old today. It was last reconstructed in 1993, extending its service life. The structure is built primarily of prestressed concrete and spans 3 sections, stretching 43.3 meters (142 feet) end to end. Daily traffic averages 175 vehicles, placing it in the lower-traffic tier of Illinois bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 4/9, superstructure at 4/9, substructure at 5/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules. Its NBI inventory load rating is 8.7 metric tons.

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

How WINTER RD CH 49 compares

▼ 25.9
Load rating vs Illinois average (34.6 t)
Bottom 1%
Lower load rating than 99% of Illinois bridges
502
Bridges in St. Clair · 40 in Poor condition
WINTER RD CH 49 8.7 t
Illinois average 34.6 t

Live comparison across Illinois.

Historical Sufficiency Rating

PlainBridge-computed
37.5 / 100 - historical 20–49.9 band
Structural adequacy /55
0.0
Serviceability /30
23.0
Essentiality /15
14.5
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 How the historical reference is calculated.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

Deck
4/9
Poor (1–4)
Superstructure
4/9
Poor (1–4)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
8.7 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1901
Last Reconstructed
1993
Material
Prestressed Concrete
Number of Spans
3
Structure Length
43.3 m (142 ft)
Deck Width
8.6 m (28 ft)
Owner
County Highway Agency
Avg Daily Traffic
175 vehicles/day
Structure Number
082309000000000

Condition Analysis

  • At 4/9, the deck (driving surface) is in poor shape, with advanced wear flagged for priority repair.
  • At 4/9, the superstructure (beams and supports above the deck) is in poor shape, with advanced wear flagged for priority repair.
  • The substructure (piers and abutments) is in fair condition (5/9), with minor deterioration that may require routine maintenance.

How to read this record

WINTER RD CH 49 is in the federal Poor condition category. That is a component-based result, not a closure order.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
  • Compare WINTER RD CH 49 against other structures in St. Clair 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 WINTER RD CH 49?

WINTER RD CH 49 in St. Clair, Illinois has a deck rating of 4/9, superstructure rating of 4/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is WINTER RD CH 49 inspected?

WINTER RD CH 49'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 175 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. WINTER RD CH 49 is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for WINTER RD CH 49?

WINTER RD CH 49 has an NBI inventory load rating of 8.7 metric tons.

Who is responsible for maintaining WINTER RD CH 49?

WINTER RD CH 49 is owned and maintained by County Highway Agency.

How old is WINTER RD CH 49 and does age affect safety?

WINTER RD CH 49 was built in 1901, making it 125 years old and last reconstructed in 1993.

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.