FHWA NBI 2024 Inspection record Public-domain dataset

SEIL RD/COUNTY FAR

Carrying SEIL RD/COUNTY FAR over DUPAGE RIVER

0.5 MI W I-55, Will, Illinois

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
5 t Inventory load rating

Bridge Snapshot: SEIL RD/COUNTY FAR

The SEIL RD/COUNTY FAR bridge in Will, Illinois carries SEIL RD/COUNTY FAR over DUPAGE RIVER. It was built in 1982, making it 44 years old today. The structure is built primarily of prestressed concrete and spans 3 sections, stretching 56.7 meters (186 feet) end to end. Daily traffic averages 5,750 vehicles, placing it in the moderately-trafficked tier of Illinois bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show a deck rating of 2/9, superstructure at 2/9, substructure at 7/9. The weakest component sits in critical 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 4.5 metric tons.

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

How SEIL RD/COUNTY FAR compares

▼ 30.1
Load rating vs Illinois average (34.6 t)
Bottom 1%
Lower load rating than 99% of Illinois bridges
674
Bridges in Will · 46 in Poor condition
SEIL RD/COUNTY FAR 4.5 t
Illinois average 34.6 t

Live comparison across Illinois.

Historical Sufficiency Rating

PlainBridge-computed
28.0 / 100 - historical 20–49.9 band
Structural adequacy /55
0.0
Serviceability /30
19.0
Essentiality /15
9.0
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 How the historical reference is calculated.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
2/9
Poor (1–4)
Superstructure
2/9
Poor (1–4)
Substructure
7/9
Good (7–9)
Inventory Load Rating
4.5 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1982
Material
Prestressed Concrete
Number of Spans
3
Structure Length
56.7 m (186 ft)
Deck Width
9.9 m (32 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
5,750 vehicles/day
Structure Number
099425300000000

Condition Analysis

  • At 2/9, the deck (driving surface) is in critical shape, with severe wear requiring urgent action.
  • The superstructure (beams and supports above the deck) is in critical condition (2/9), with severe deterioration requiring urgent attention.
  • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.

How to read this record

SEIL RD/COUNTY FAR 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 SEIL RD/COUNTY FAR against other structures in Will 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 SEIL RD/COUNTY FAR?

SEIL RD/COUNTY FAR in Will, Illinois has a deck rating of 2/9, superstructure rating of 2/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is SEIL RD/COUNTY FAR inspected?

SEIL RD/COUNTY FAR'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 5,750 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SEIL RD/COUNTY FAR 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 SEIL RD/COUNTY FAR?

SEIL RD/COUNTY FAR has an NBI inventory load rating of 4.5 metric tons.

Who is responsible for maintaining SEIL RD/COUNTY FAR?

SEIL RD/COUNTY FAR is owned and maintained by City/Municipal Highway Agency.

How old is SEIL RD/COUNTY FAR and does age affect safety?

SEIL RD/COUNTY FAR was built in 1982, making it 44 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.