TR 4(ACOM Rd) over I-72
FairMacon County, Illinois · 1.5 MI SW Niantic · Structure no. 058006000000000
- Built
- 1976
- 49 years old
- Condition
- Fair
- inspected May 2024
- Type
- Box Beam or Girders - Single or Spread
- Steel Continuous
- Length
- 259 ft
- 2 main spans
- Daily traffic
- 50
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
TR 4(ACOM Rd) over I-72 is a steel continuous box beam or girders - single or spread carrying TR 4(ACOM Rd) over I-72 in Macon County, Illinois. It was built in 1976, so it is 49 years old, older 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 50 vehicles a day, roughly 6% of them trucks, projected to reach 51 by 2046. The structure is 259 ft (78.8 m) long and 30 ft wide.
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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was TR 4(ACOM Rd) over I-72 built?
It was built in 1976, making it 49 years old in 2025.
What condition is TR 4(ACOM Rd) over I-72 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 2024.
How much traffic does TR 4(ACOM Rd) over I-72 carry?
About 50 vehicles per day (2020 count), of which roughly 6% are trucks.
How long is TR 4(ACOM Rd) over I-72?
The structure is 259 ft (78.8 m) long with a longest span of 105 ft (31.9 m) and a deck 30 ft wide.
Who owns TR 4(ACOM Rd) over I-72?
It is owned by the State Highway Agency.