TR 45
Carrying TR 45 over GRAND PIERRE CREEK TRIB
NW1/4 S8T12SR7E, Pope, Illinois
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: TR 45
The TR 45 bridge in Pope, Illinois carries TR 45 over GRAND PIERRE CREEK TRIB. It was built in 1989, making it 37 years old today. It was last reconstructed in 7, extending its service life. The structure is built primarily of prestressed concrete and spans 1 section, stretching 8.8 meters (29 feet) end to end. Daily traffic averages 29 vehicles, placing it in the lower-traffic tier of Illinois bridges. It is owned and maintained by U.S. Forest Service.
The latest FHWA inspection records show a deck rating of 6/9, superstructure at 6/9, substructure at 7/9. 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 27.9 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How TR 45 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 How the historical reference is calculated.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
- 1989
- Last Reconstructed
- 7
- Material
- Prestressed Concrete
- Number of Spans
- 1
- Structure Length
- 8.8 m (29 ft)
- Deck Width
- 7.3 m (24 ft)
- Owner
- U.S. Forest Service
- Avg Daily Traffic
- 29 vehicles/day
- Structure Number
- 090801000001001
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
- • The superstructure (beams and supports above the deck) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
- • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.
How to read this record
This page shows what the last federal inspection recorded, not whether TR 45 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 TR 45 against other structures in Pope 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 TR 45?
TR 45 in Pope, Illinois has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.
How often is TR 45 inspected?
TR 45'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 29 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. TR 45 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 TR 45?
TR 45 has an NBI inventory load rating of 27.9 metric tons.
Who is responsible for maintaining TR 45?
TR 45 is owned and maintained by U.S. Forest Service.
How old is TR 45 and does age affect safety?
TR 45 was built in 1989, making it 37 years old and last reconstructed in 7.
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.