TR 328A over Tributary
GoodMacoupin County, Illinois · 1.0 MI So Carlinvile · Structure no. 059502700000000
- Built
- 1987
- 38 years old
- Condition
- Good
- inspected February 2023
- Type
- Culvert
- Steel
- Length
- 28 ft
- 3 main spans
- Daily traffic
- 150
- 2021 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 328A over Tributary is a steel culvert carrying TR 328A over Tributary in Macoupin County, Illinois. It was built in 1987, so it is 38 years old, younger than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 150 vehicles a day, roughly 8% of them trucks, projected to reach 152 by 2046. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 98.8 mi (159 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was TR 328A over Tributary built?
It was built in 1987, making it 38 years old in 2025.
What condition is TR 328A over Tributary in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2023.
How much traffic does TR 328A over Tributary carry?
About 150 vehicles per day (2021 count), of which roughly 8% are trucks.
How long is TR 328A over Tributary?
The structure is 28 ft (8.5 m) long with a longest span of 8 ft (2.4 m).
Who owns TR 328A over Tributary?
It is owned by the Town or Township Highway Agency.