FHWA NBI 2024 Inspection record Public-domain dataset

ILL 34 & 145

Carrying ILL 34 & 145 over BRIER CREEK

1 MI.S.PANKEYVILLE, Saline, Illinois

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
48 t Inventory load rating Higher than 90% of rated Illinois bridges

ILL 34 & 145 in Saline, Illinois is rated Fair in the FHWA's 2024 National Bridge Inventory.

Built in 1925, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 6. The lowest applicable rating sets the federal condition category, so this Fair result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.

NBI record plate

Structure IL:083001800000000

PRE-1950 · PRESTRESS · SINGLE-SPAN · SUPER-LED · ARTERIAL-ADT · HEAVY-LOAD · CAT-FAIR

  • PRE-1950 Pre-1950
  • PRESTRESS Prestressed concrete
  • SINGLE-SPAN Single span
  • SUPER-LED Superstructure-led
  • ARTERIAL-ADT Arterial ADT
  • HEAVY-LOAD Heavy load
  • CAT-FAIR Fair

Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.

Bridge Snapshot: ILL 34 & 145

The ILL 34 & 145 bridge in Saline, Illinois carries ILL 34 & 145 over BRIER CREEK. It was built in 1925, making it 101 years old today. It was last reconstructed in 2008, extending its service life. The structure is built primarily of prestressed concrete and spans 1 section, stretching 10.1 meters (33 feet) end to end. Daily traffic averages 4,100 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 6/9, substructure at 7/9. The weakest component sits in fair condition. All reported major components score above the Poor range.

How ILL 34 & 145 compares

▲ 13.3
Load rating vs Illinois average (35.0 t; 26,904 of 26,928 rated)
185
Bridges in Saline · 9 in Poor condition

Age against the county: built in 1925, earlier than 170 of Saline's 185 bridges with a recorded construction year (92%), against a county median build year of 1992. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

ILL 34 & 145 48.3 t
Illinois average (26,904 of 26,928 rated) 35.0 t

Live comparison across Illinois bridges with a recorded inventory load rating (26,904 of 26,928 rated).

ILL 34 & 145 vs every rated Illinois bridge

Inventory load rating (metric tons), FHWA NBI, this state

48 Top 10% higher than 90% of 26,904 bridges

rated Illinois bridges, bucketed by value

Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source FHWA National Bridge Inventory · August 2026

Condition Ratings

Deck
7/9
Good (7–9)
Superstructure
6/9
Fair (5–6)
Substructure
7/9
Good (7–9)
Inventory Load Rating
48.3 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.

Saline inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 185 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.

Structural Details

Year Built
1925
Last Reconstructed
2008
Material
Prestressed Concrete
Number of Spans
1
Structure Length
10.1 m (33 ft)
Deck Width
10.1 m (33 ft)
Owner
State Highway Agency
Avg Daily Traffic
4,100 vehicles/day
Structure Number
083001800000000

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) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • At 7/9, 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 ILL 34 & 145 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 ILL 34 & 145 against other structures in Saline 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 ILL 34 & 145?

ILL 34 & 145 in Saline, Illinois has a deck rating of 7/9, superstructure rating of 6/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is ILL 34 & 145 inspected?

ILL 34 & 145'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 4,100 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. ILL 34 & 145 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 ILL 34 & 145?

ILL 34 & 145 has an NBI inventory load rating of 48.3 metric tons.

Who is responsible for maintaining ILL 34 & 145?

ILL 34 & 145 is owned and maintained by State Highway Agency.

How old is ILL 34 & 145 and does age affect safety?

ILL 34 & 145 was built in 1925, making it 101 years old and last reconstructed in 2008.

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

Share this inspection record

Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.

XFacebookLinkedInWhatsAppEmail

Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.