TR 109 over Eliza Creek
GoodMercer County, Illinois · SE-1-T14NR6W · Structure no. 066501800000000
- Built
- 1994
- 31 years old
- Condition
- Good
- inspected December 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 201 ft
- 4 main spans
- Daily traffic
- 50
- 2024 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 109 over Eliza Creek is a prestressed concrete box beam or girders - multiple carrying TR 109 over Eliza Creek in Mercer County, Illinois. It was built in 1994, so it is 31 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 36% of them trucks, projected to reach 51 by 2046. The structure is 201 ft (61.4 m) long and 24 ft wide. If it were closed, the detour would be 6.2 mi (10 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 109 over Eliza Creek built?
It was built in 1994, making it 31 years old in 2025.
What condition is TR 109 over Eliza 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 December 2024.
How much traffic does TR 109 over Eliza Creek carry?
About 50 vehicles per day (2024 count), of which roughly 36% are trucks.
How long is TR 109 over Eliza Creek?
The structure is 201 ft (61.4 m) long with a longest span of 50 ft (15.2 m) and a deck 24 ft wide.
Who owns TR 109 over Eliza Creek?
It is owned by the Town or Township Highway Agency.