TR 123A over Black Creek
FairAlexander County, Illinois · W Side Olive Branch · Structure no. 002309300000000
- Built
- 1997
- 28 years old
- Condition
- Fair
- inspected April 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 52 ft
- 1 main span
- Daily traffic
- 100
- 2022 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 123A over Black Creek is a prestressed concrete box beam or girders - multiple carrying TR 123A over Black Creek in Alexander County, Illinois. It was built in 1997, so it is 28 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 6 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 100 vehicles a day, roughly 24% of them trucks, projected to reach 177 by 2046. The structure is 52 ft (15.7 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was TR 123A over Black Creek built?
It was built in 1997, making it 28 years old in 2025.
What condition is TR 123A over Black Creek 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 April 2024.
How much traffic does TR 123A over Black Creek carry?
About 100 vehicles per day (2022 count), of which roughly 24% are trucks.
How long is TR 123A over Black Creek?
The structure is 52 ft (15.7 m) long with a longest span of 49 ft (14.9 m) and a deck 24 ft wide.
Who owns TR 123A over Black Creek?
It is owned by the Town or Township Highway Agency.