TR-108 over Shelton Creek
GoodHamilton County, Illinois · 4 MI NE Dahlgren · Structure no. 033321200000000
- Built
- 1984
- 41 years old
- Condition
- Good
- inspected February 2022
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 62 ft
- 1 main span
- Daily traffic
- 50
- 2022 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR-108 over Shelton Creek is a prestressed concrete box beam or girders - multiple carrying TR-108 over Shelton Creek in Hamilton County, Illinois. It was built in 1984, so it is 41 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 50 vehicles a day, roughly 42% of them trucks, projected to reach 25 by 2046. The structure is 62 ft (18.9 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
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| 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-108 over Shelton Creek built?
It was built in 1984, making it 41 years old in 2025.
What condition is TR-108 over Shelton 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 February 2022.
How much traffic does TR-108 over Shelton Creek carry?
About 50 vehicles per day (2022 count), of which roughly 42% are trucks.
How long is TR-108 over Shelton Creek?
The structure is 62 ft (18.9 m) long with a longest span of 58 ft (17.7 m) and a deck 24 ft wide.
Who owns TR-108 over Shelton Creek?
It is owned by the Town or Township Highway Agency.