TR 151
Carrying TR 151 over COON CREEK
1.5 MI E CLINTON, De Witt, Illinois
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: TR 151
The TR 151 bridge in De Witt, Illinois carries TR 151 over COON CREEK. It was built in 1966, making it 60 years old today. The structure is built primarily of prestressed concrete and spans 2 sections, stretching 19.8 meters (65 feet) end to end. Daily traffic averages 350 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 2/9, superstructure at 2/9, substructure at 5/9. The weakest component sits in critical condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How TR 151 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 How the historical reference is calculated.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
- 1966
- Material
- Prestressed Concrete
- Number of Spans
- 2
- Structure Length
- 19.8 m (65 ft)
- Deck Width
- 7.9 m (26 ft)
- Owner
- Town/Township Highway Agency
- Avg Daily Traffic
- 350 vehicles/day
- Structure Number
- 020306300000000
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) rates critical at 2/9, severe deterioration that needs urgent attention.
- • The superstructure (beams and supports above the deck) rates critical at 2/9, severe deterioration that needs urgent attention.
- • The substructure (piers and abutments) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
How to read this record
TR 151 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 TR 151 against other structures in De Witt 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 151?
TR 151 in De Witt, Illinois has a deck rating of 2/9, superstructure rating of 2/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.
How often is TR 151 inspected?
TR 151'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 350 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. TR 151 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 TR 151?
An inventory load rating is not recorded for TR 151.
Who is responsible for maintaining TR 151?
TR 151 is owned and maintained by Town/Township Highway Agency.
How old is TR 151 and does age affect safety?
TR 151 was built in 1966, making it 60 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.