S Main ST over Town Brook
PoorMorgan County, Illinois · S Main ST at Brook · Structure no. 069602400000000
- Built
- 1985
- 40 years old
- Condition
- Poor
- inspected May 2022
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 27 ft
- 1 main span
- Daily traffic
- 7,600
- 2024 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
S Main ST over Town Brook is a prestressed concrete box beam or girders - multiple carrying S Main ST over Town Brook in Morgan County, Illinois. It was built in 1985, so it is 40 years old, younger 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 3 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 7,600 vehicles a day, roughly 4% of them trucks, projected to reach 8,080 by 2046. The structure is 27 ft (8.2 m) long and 60 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Superstructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 S Main ST over Town Brook built?
It was built in 1985, making it 40 years old in 2025.
What condition is S Main ST over Town Brook 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 May 2022.
How much traffic does S Main ST over Town Brook carry?
About 7,600 vehicles per day (2024 count), of which roughly 4% are trucks.
How long is S Main ST over Town Brook?
The structure is 27 ft (8.2 m) long with a longest span of 26 ft (7.9 m) and a deck 60 ft wide.
Who owns S Main ST over Town Brook?
It is owned by the City or Municipal Highway Agency.