CH 22-FAS 636
Carrying CH 22-FAS 636 over SANGAMON RIVER
2.3 MI N MT AUBURN, Christian, Illinois
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: CH 22-FAS 636
The CH 22-FAS 636 bridge in Christian, Illinois carries CH 22-FAS 636 over SANGAMON RIVER. It was built in 1969, making it 57 years old today. The structure is built primarily of prestressed concrete and spans 7 sections, stretching 164.0 meters (538 feet) end to end. Daily traffic averages 600 vehicles, placing it in the lower-traffic 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 5/9, substructure at 4/9. The weakest component sits in poor 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 31.8 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How CH 22-FAS 636 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 How the historical reference is calculated.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
- 1969
- Material
- Prestressed Concrete
- Number of Spans
- 7
- Structure Length
- 164.0 m (538 ft)
- Deck Width
- 11.0 m (36 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 600 vehicles/day
- Structure Number
- 011300400000000
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
- • At 5/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
- • At 4/9, the substructure (piers and abutments) is in poor shape, with advanced wear flagged for priority repair.
How to read this record
CH 22-FAS 636 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 CH 22-FAS 636 against other structures in Christian 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 CH 22-FAS 636?
CH 22-FAS 636 in Christian, Illinois has a deck rating of 6/9, superstructure rating of 5/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.
How often is CH 22-FAS 636 inspected?
CH 22-FAS 636'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 600 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. CH 22-FAS 636 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 CH 22-FAS 636?
CH 22-FAS 636 has an NBI inventory load rating of 31.8 metric tons.
Who is responsible for maintaining CH 22-FAS 636?
CH 22-FAS 636 is owned and maintained by County Highway Agency.
How old is CH 22-FAS 636 and does age affect safety?
CH 22-FAS 636 was built in 1969, making it 57 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.