TR 312 over Alloway Creek
FairTazewell County, Illinois · N.CTR-27-T25NR2W · Structure no. 090320800000000
- Built
- 1990
- 35 years old
- Condition
- Fair
- inspected December 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 92 ft
- 3 main spans
- Daily traffic
- 150
- 2023 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 312 over Alloway Creek is a prestressed concrete box beam or girders - multiple carrying TR 312 over Alloway Creek in Tazewell County, Illinois. It was built in 1990, so it is 35 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 150 vehicles a day, roughly 20% of them trucks, projected to reach 152 by 2046. The structure is 92 ft (27.9 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was TR 312 over Alloway Creek built?
It was built in 1990, making it 35 years old in 2025.
What condition is TR 312 over Alloway 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 December 2024.
How much traffic does TR 312 over Alloway Creek carry?
About 150 vehicles per day (2023 count), of which roughly 20% are trucks.
How long is TR 312 over Alloway Creek?
The structure is 92 ft (27.9 m) long with a longest span of 30 ft (9.2 m) and a deck 28 ft wide.
Who owns TR 312 over Alloway Creek?
It is owned by the Town or Township Highway Agency.