Ill 16 over Gillespie Lake Creek
FairMacoupin County, Illinois · 2.7 M W Gillespie · Structure no. 059200100000000
- Built
- 1937
- 88 years old
- Condition
- Fair
- inspected April 2023
- Type
- Culvert
- Concrete
- Length
- 30 ft
- 3 main spans
- Daily traffic
- 2,350
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Ill 16 over Gillespie Lake Creek is a concrete culvert carrying Ill 16 over Gillespie Lake Creek in Macoupin County, Illinois. It was built in 1937, so it is 88 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 2,350 vehicles a day, roughly 13% of them trucks, projected to reach 4,293 by 2046. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 18 mi (29 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 |
|---|---|---|
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ill 16 over Gillespie Lake Creek built?
It was built in 1937, making it 88 years old in 2025.
What condition is Ill 16 over Gillespie Lake 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 April 2023.
How much traffic does Ill 16 over Gillespie Lake Creek carry?
About 2,350 vehicles per day (2023 count), of which roughly 13% are trucks.
How long is Ill 16 over Gillespie Lake Creek?
The structure is 30 ft (9.1 m) long with a longest span of 9 ft (2.7 m).
Who owns Ill 16 over Gillespie Lake Creek?
It is owned by the State Highway Agency.