TR-34A over Big Creek
FairEffingham County, Illinois · 1.5 MI SE Altamont · Structure no. 025316700000000
- Built
- 1985
- 40 years old
- Condition
- Fair
- inspected January 2025
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 61 ft
- 1 main span
- Daily traffic
- 100
- 2023 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR-34A over Big Creek is a prestressed concrete box beam or girders - multiple carrying TR-34A over Big Creek in Effingham 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 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 3% of them trucks, projected to reach 106 by 2046. The structure is 61 ft (18.7 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was TR-34A over Big Creek built?
It was built in 1985, making it 40 years old in 2025.
What condition is TR-34A over Big 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 January 2025.
How much traffic does TR-34A over Big Creek carry?
About 100 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is TR-34A over Big Creek?
The structure is 61 ft (18.7 m) long with a longest span of 58 ft (17.7 m) and a deck 24 ft wide.
Who owns TR-34A over Big Creek?
It is owned by the Town or Township Highway Agency.