RT621 14.WCOUNTY 1 over Praire Creek
GoodSangamon County, Illinois · 3.0 N Berlin · Structure no. 084340500000000
- Built
- 1981
- 44 years old
- Condition
- Good
- inspected March 2021
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 46 ft
- 1 main span
- Daily traffic
- 850
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
RT621 14.WCOUNTY 1 over Praire Creek is a prestressed concrete box beam or girders - multiple carrying RT621 14.WCOUNTY 1 over Praire Creek in Sangamon County, Illinois. It was built in 1981, so it is 44 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 850 vehicles a day, roughly 15% of them trucks, projected to reach 960 by 2046. The structure is 46 ft (14 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 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 RT621 14.WCOUNTY 1 over Praire Creek built?
It was built in 1981, making it 44 years old in 2025.
What condition is RT621 14.WCOUNTY 1 over Praire 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 March 2021.
How much traffic does RT621 14.WCOUNTY 1 over Praire Creek carry?
About 850 vehicles per day (2022 count), of which roughly 15% are trucks.
How long is RT621 14.WCOUNTY 1 over Praire Creek?
The structure is 46 ft (14 m) long with a longest span of 46 ft (14 m) and a deck 33 ft wide.
Who owns RT621 14.WCOUNTY 1 over Praire Creek?
It is owned by the County Highway Agency.