Plum Hill TR 180 over Loop Creek
PoorSt. Clair County, Illinois · 0.3 MI S Ill 177 · Structure no. 082410200000000
- Built
- 1980
- 45 years old
- Condition
- Poor
- inspected March 2023
- Type
- Channel Beam
- Concrete
- Length
- 88 ft
- 3 main spans
- Daily traffic
- 350
- 2023 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
Plum Hill TR 180 over Loop Creek is a concrete channel beam carrying Plum Hill TR 180 over Loop Creek in St. Clair 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 poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 350 vehicles a day, roughly 11% of them trucks, projected to reach 1,616 by 2046. The structure is 88 ft (26.8 m) long and 30 ft wide. If it were closed, the detour would be 6.8 mi (11 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Plum Hill TR 180 over Loop Creek built?
It was built in 1980, making it 45 years old in 2025.
What condition is Plum Hill TR 180 over Loop Creek in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2023.
How much traffic does Plum Hill TR 180 over Loop Creek carry?
About 350 vehicles per day (2023 count), of which roughly 11% are trucks.
How long is Plum Hill TR 180 over Loop Creek?
The structure is 88 ft (26.8 m) long with a longest span of 30 ft (9.1 m) and a deck 30 ft wide.
Who owns Plum Hill TR 180 over Loop Creek?
It is owned by the Town or Township Highway Agency.