Ch 22-FAS 636 over Sangamon River
PoorChristian County, Illinois · 2.3 MI N Mt Auburn · Structure no. 011300400000000
- Built
- 1969
- 56 years old
- Condition
- Poor
- inspected November 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 538 ft
- 7 main spans
- Daily traffic
- 600
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Ch 22-FAS 636 over Sangamon River is a prestressed concrete stringer/multi-beam or girder carrying Ch 22-FAS 636 over Sangamon River in Christian County, Illinois. It was built in 1969, so it is 56 years old, older than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 600 vehicles a day, roughly 13% of them trucks, projected to reach 606 by 2046. The structure is 538 ft (164 m) long and 36 ft wide. If it were closed, the detour would be 9.9 mi (16 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ch 22-FAS 636 over Sangamon River built?
It was built in 1969, making it 56 years old in 2025.
What condition is Ch 22-FAS 636 over Sangamon River in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.
How much traffic does Ch 22-FAS 636 over Sangamon River carry?
About 600 vehicles per day (2021 count), of which roughly 13% are trucks.
How long is Ch 22-FAS 636 over Sangamon River?
The structure is 538 ft (164 m) long with a longest span of 75 ft (22.9 m) and a deck 36 ft wide.
Who owns Ch 22-FAS 636 over Sangamon River?
It is owned by the County Highway Agency.