South Diamond/Broo over Town Brook
FairMorgan County, Illinois · Diamond at Brook · Structure no. 069602600000000
- Built
- 1988
- 37 years old
- Condition
- Fair
- inspected May 2022
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 55 ft
- 1 main span
- Daily traffic
- 5,150
- 2024 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
South Diamond/Broo over Town Brook is a prestressed concrete box beam or girders - multiple carrying South Diamond/Broo over Town Brook in Morgan County, Illinois. It was built in 1988, so it is 37 years old, younger than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 5,150 vehicles a day, roughly 5% of them trucks, projected to reach 5,252 by 2046. The structure is 55 ft (16.8 m) long and 48 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 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, 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 South Diamond/Broo over Town Brook built?
It was built in 1988, making it 37 years old in 2025.
What condition is South Diamond/Broo over Town Brook in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2022.
How much traffic does South Diamond/Broo over Town Brook carry?
About 5,150 vehicles per day (2024 count), of which roughly 5% are trucks.
How long is South Diamond/Broo over Town Brook?
The structure is 55 ft (16.8 m) long with a longest span of 55 ft (16.8 m) and a deck 48 ft wide.
Who owns South Diamond/Broo over Town Brook?
It is owned by the City or Municipal Highway Agency.