LOST BRIDGE(FAU 73
Carrying LOST BRIDGE(FAU 73 over LAKE DECATUR
ACROSS SE LAKE DECAT, Macon, Illinois
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: LOST BRIDGE(FAU 73
The LOST BRIDGE(FAU 73 bridge in Macon, Illinois carries LOST BRIDGE(FAU 73 over LAKE DECATUR. It was built in 1961, making it 65 years old today. It was last reconstructed in 1994, extending its service life. The structure is built primarily of steel and spans 6 sections, stretching 137.9 meters (452 feet) end to end. Daily traffic averages 9,000 vehicles, placing it in the moderately-trafficked tier of Illinois bridges. It is owned and maintained by County Highway Agency.
The latest FHWA inspection records show a deck rating of 6/9, superstructure at 2/9, substructure at 5/9. 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 37.9 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How LOST BRIDGE(FAU 73 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 How the historical reference is calculated.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
- 1961
- Last Reconstructed
- 1994
- Material
- Steel
- Number of Spans
- 6
- Structure Length
- 137.9 m (452 ft)
- Deck Width
- 11.5 m (38 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 9,000 vehicles/day
- Structure Number
- 058600800000000
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
- • The superstructure (beams and supports above the deck) rates critical at 2/9, severe deterioration that needs urgent attention.
- • The substructure (piers and abutments) rates fair at 5/9, minor deterioration that routine maintenance should address.
How to read this record
LOST BRIDGE(FAU 73 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 LOST BRIDGE(FAU 73 against other structures in Macon 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 LOST BRIDGE(FAU 73?
LOST BRIDGE(FAU 73 in Macon, Illinois has a deck rating of 6/9, superstructure rating of 2/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.
How often is LOST BRIDGE(FAU 73 inspected?
LOST BRIDGE(FAU 73'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 9,000 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. LOST BRIDGE(FAU 73 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 LOST BRIDGE(FAU 73?
LOST BRIDGE(FAU 73 has an NBI inventory load rating of 37.9 metric tons.
Who is responsible for maintaining LOST BRIDGE(FAU 73?
LOST BRIDGE(FAU 73 is owned and maintained by County Highway Agency.
How old is LOST BRIDGE(FAU 73 and does age affect safety?
LOST BRIDGE(FAU 73 was built in 1961, making it 65 years old and last reconstructed in 1994.
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.