South 8th Street over Curtis Creek
GoodAdams County, Illinois · Quincy · Structure no. 001600100000000
- Built
- 1899
- 126 years old, rebuilt 1995
- Condition
- Good
- inspected April 2024
- Type
- Arch - Deck
- Masonry
- Length
- 87 ft
- 1 main span
- Daily traffic
- 2,900
- 2024 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
South 8th Street over Curtis Creek is a masonry arch - deck carrying South 8th Street over Curtis Creek in Adams County, Illinois. It was built in 1899 and reconstructed in 1995, so it is 126 years old, older 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 2,900 vehicles a day, roughly 4% of them trucks, projected to reach 3,030 by 2046. The structure is 87 ft (26.5 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was South 8th Street over Curtis Creek built?
It was built in 1899, making it 126 years old in 2025. It was reconstructed in 1995.
What condition is South 8th Street over Curtis 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 April 2024.
How much traffic does South 8th Street over Curtis Creek carry?
About 2,900 vehicles per day (2024 count), of which roughly 4% are trucks.
How long is South 8th Street over Curtis Creek?
The structure is 87 ft (26.5 m) long with a longest span of 85 ft (25.9 m) and a deck 26 ft wide.
Who owns South 8th Street over Curtis Creek?
It is owned by the City or Municipal Highway Agency.