HIGH LINE RD/TR 15
Carrying HIGH LINE RD/TR 15 over SHOAL CREEK
1.25 S OF BREESE, Clinton, Illinois
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: HIGH LINE RD/TR 15
The HIGH LINE RD/TR 15 bridge in Clinton, Illinois carries HIGH LINE RD/TR 15 over SHOAL CREEK. It was built in 1990, making it 36 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 43.2 meters (142 feet) end to end. Daily traffic averages 325 vehicles, placing it in the lower-traffic tier of Illinois bridges. It is owned and maintained by Town/Township Highway Agency.
The latest FHWA inspection records show a deck rating of 8/9, 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 32.4 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How HIGH LINE RD/TR 15 compares
Live comparison across Illinois.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1990
- Material
- Prestressed Concrete
- Number of Spans
- 1
- Structure Length
- 43.2 m (142 ft)
- Deck Width
- 8.5 m (28 ft)
- Owner
- Town/Township Highway Agency
- Avg Daily Traffic
- 325 vehicles/day
- Structure Number
- 014403400000000
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) rates good at 8/9, with no significant deterioration on file.
- • The superstructure (beams and supports above the deck) is in good condition (8/9), showing no significant deterioration.
- • 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 HIGH LINE RD/TR 15 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 HIGH LINE RD/TR 15 against other structures in Clinton 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 HIGH LINE RD/TR 15?
HIGH LINE RD/TR 15 in Clinton, Illinois has a deck rating of 8/9, superstructure rating of 8/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.
How often is HIGH LINE RD/TR 15 inspected?
HIGH LINE RD/TR 15'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 325 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. HIGH LINE RD/TR 15 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 HIGH LINE RD/TR 15?
HIGH LINE RD/TR 15 has an NBI inventory load rating of 32.4 metric tons.
Who is responsible for maintaining HIGH LINE RD/TR 15?
HIGH LINE RD/TR 15 is owned and maintained by Town/Township Highway Agency.
How old is HIGH LINE RD/TR 15 and does age affect safety?
HIGH LINE RD/TR 15 was built in 1990, making it 36 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.
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.