TR 415B Auburn over Sugar Creek
GoodSangamon County, Illinois · 1.0 E of Auburn · Structure no. 084358300000000
- Built
- 1980
- 45 years old
- Condition
- Good
- inspected March 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 117 ft
- 3 main spans
- Daily traffic
- 175
- 2022 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 415B Auburn over Sugar Creek is a prestressed concrete box beam or girders - multiple carrying TR 415B Auburn over Sugar Creek in Sangamon County, Illinois. It was built in 1980, so it is 45 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 175 vehicles a day, roughly 5% of them trucks, projected to reach 253 by 2046. The structure is 117 ft (35.7 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| 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 415B Auburn over Sugar Creek built?
It was built in 1980, making it 45 years old in 2025.
What condition is TR 415B Auburn over Sugar Creek 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 March 2023.
How much traffic does TR 415B Auburn over Sugar Creek carry?
About 175 vehicles per day (2022 count), of which roughly 5% are trucks.
How long is TR 415B Auburn over Sugar Creek?
The structure is 117 ft (35.7 m) long with a longest span of 53 ft (16.2 m) and a deck 27 ft wide.
Who owns TR 415B Auburn over Sugar Creek?
It is owned by the Town or Township Highway Agency.