TR 173 over Spring Creek
FairMcDonough County, Illinois · NE-5-T5NR3W · Structure no. 055521000000000
- Built
- 1978
- 47 years old
- Condition
- Fair
- inspected December 2024
- Type
- Channel Beam
- Concrete
- Length
- 111 ft
- 3 main spans
- Daily traffic
- 100
- 2021 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 173 over Spring Creek is a concrete channel beam carrying TR 173 over Spring Creek in McDonough County, Illinois. It was built in 1978, so it is 47 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 101 by 2046. The structure is 111 ft (33.8 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).
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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 173 over Spring Creek built?
It was built in 1978, making it 47 years old in 2025.
What condition is TR 173 over Spring Creek 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 December 2024.
How much traffic does TR 173 over Spring Creek carry?
About 100 vehicles per day (2021 count), of which roughly 3% are trucks.
How long is TR 173 over Spring Creek?
The structure is 111 ft (33.8 m) long with a longest span of 36 ft (11 m) and a deck 30 ft wide.
Who owns TR 173 over Spring Creek?
It is owned by the Town or Township Highway Agency.